1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2011 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
9 * This program is free software; you can redistribute it and/or *
10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
20 *******************************************************************/
22 #include <linux/ctype.h>
23 #include <linux/delay.h>
24 #include <linux/pci.h>
25 #include <linux/interrupt.h>
26 #include <linux/aer.h>
27 #include <linux/gfp.h>
28 #include <linux/kernel.h>
30 #include <scsi/scsi.h>
31 #include <scsi/scsi_device.h>
32 #include <scsi/scsi_host.h>
33 #include <scsi/scsi_tcq.h>
34 #include <scsi/scsi_transport_fc.h>
35 #include <scsi/fc/fc_fs.h>
40 #include "lpfc_sli4.h"
42 #include "lpfc_disc.h"
43 #include "lpfc_scsi.h"
45 #include "lpfc_logmsg.h"
46 #include "lpfc_version.h"
47 #include "lpfc_compat.h"
48 #include "lpfc_crtn.h"
49 #include "lpfc_vport.h"
51 #define LPFC_DEF_DEVLOSS_TMO 30
52 #define LPFC_MIN_DEVLOSS_TMO 1
53 #define LPFC_MAX_DEVLOSS_TMO 255
56 * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules
57 * @incr: integer to convert.
58 * @hdw: ascii string holding converted integer plus a string terminator.
61 * JEDEC Joint Electron Device Engineering Council.
62 * Convert a 32 bit integer composed of 8 nibbles into an 8 byte ascii
63 * character string. The string is then terminated with a NULL in byte 9.
64 * Hex 0-9 becomes ascii '0' to '9'.
65 * Hex a-f becomes ascii '=' to 'B' capital B.
68 * Coded for 32 bit integers only.
71 lpfc_jedec_to_ascii(int incr
, char hdw
[])
74 for (i
= 0; i
< 8; i
++) {
77 hdw
[7 - i
] = 0x30 + j
;
79 hdw
[7 - i
] = 0x61 + j
- 10;
87 * lpfc_drvr_version_show - Return the Emulex driver string with version number
88 * @dev: class unused variable.
89 * @attr: device attribute, not used.
90 * @buf: on return contains the module description text.
92 * Returns: size of formatted string.
95 lpfc_drvr_version_show(struct device
*dev
, struct device_attribute
*attr
,
98 return snprintf(buf
, PAGE_SIZE
, LPFC_MODULE_DESC
"\n");
102 * lpfc_enable_fip_show - Return the fip mode of the HBA
103 * @dev: class unused variable.
104 * @attr: device attribute, not used.
105 * @buf: on return contains the module description text.
107 * Returns: size of formatted string.
110 lpfc_enable_fip_show(struct device
*dev
, struct device_attribute
*attr
,
113 struct Scsi_Host
*shost
= class_to_shost(dev
);
114 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
115 struct lpfc_hba
*phba
= vport
->phba
;
117 if (phba
->hba_flag
& HBA_FIP_SUPPORT
)
118 return snprintf(buf
, PAGE_SIZE
, "1\n");
120 return snprintf(buf
, PAGE_SIZE
, "0\n");
124 lpfc_bg_info_show(struct device
*dev
, struct device_attribute
*attr
,
127 struct Scsi_Host
*shost
= class_to_shost(dev
);
128 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
129 struct lpfc_hba
*phba
= vport
->phba
;
131 if (phba
->cfg_enable_bg
)
132 if (phba
->sli3_options
& LPFC_SLI3_BG_ENABLED
)
133 return snprintf(buf
, PAGE_SIZE
, "BlockGuard Enabled\n");
135 return snprintf(buf
, PAGE_SIZE
,
136 "BlockGuard Not Supported\n");
138 return snprintf(buf
, PAGE_SIZE
,
139 "BlockGuard Disabled\n");
143 lpfc_bg_guard_err_show(struct device
*dev
, struct device_attribute
*attr
,
146 struct Scsi_Host
*shost
= class_to_shost(dev
);
147 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
148 struct lpfc_hba
*phba
= vport
->phba
;
150 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
151 (unsigned long long)phba
->bg_guard_err_cnt
);
155 lpfc_bg_apptag_err_show(struct device
*dev
, struct device_attribute
*attr
,
158 struct Scsi_Host
*shost
= class_to_shost(dev
);
159 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
160 struct lpfc_hba
*phba
= vport
->phba
;
162 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
163 (unsigned long long)phba
->bg_apptag_err_cnt
);
167 lpfc_bg_reftag_err_show(struct device
*dev
, struct device_attribute
*attr
,
170 struct Scsi_Host
*shost
= class_to_shost(dev
);
171 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
172 struct lpfc_hba
*phba
= vport
->phba
;
174 return snprintf(buf
, PAGE_SIZE
, "%llu\n",
175 (unsigned long long)phba
->bg_reftag_err_cnt
);
179 * lpfc_info_show - Return some pci info about the host in ascii
180 * @dev: class converted to a Scsi_host structure.
181 * @attr: device attribute, not used.
182 * @buf: on return contains the formatted text from lpfc_info().
184 * Returns: size of formatted string.
187 lpfc_info_show(struct device
*dev
, struct device_attribute
*attr
,
190 struct Scsi_Host
*host
= class_to_shost(dev
);
192 return snprintf(buf
, PAGE_SIZE
, "%s\n",lpfc_info(host
));
196 * lpfc_serialnum_show - Return the hba serial number in ascii
197 * @dev: class converted to a Scsi_host structure.
198 * @attr: device attribute, not used.
199 * @buf: on return contains the formatted text serial number.
201 * Returns: size of formatted string.
204 lpfc_serialnum_show(struct device
*dev
, struct device_attribute
*attr
,
207 struct Scsi_Host
*shost
= class_to_shost(dev
);
208 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
209 struct lpfc_hba
*phba
= vport
->phba
;
211 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->SerialNumber
);
215 * lpfc_temp_sensor_show - Return the temperature sensor level
216 * @dev: class converted to a Scsi_host structure.
217 * @attr: device attribute, not used.
218 * @buf: on return contains the formatted support level.
221 * Returns a number indicating the temperature sensor level currently
222 * supported, zero or one in ascii.
224 * Returns: size of formatted string.
227 lpfc_temp_sensor_show(struct device
*dev
, struct device_attribute
*attr
,
230 struct Scsi_Host
*shost
= class_to_shost(dev
);
231 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
232 struct lpfc_hba
*phba
= vport
->phba
;
233 return snprintf(buf
, PAGE_SIZE
, "%d\n",phba
->temp_sensor_support
);
237 * lpfc_modeldesc_show - Return the model description of the hba
238 * @dev: class converted to a Scsi_host structure.
239 * @attr: device attribute, not used.
240 * @buf: on return contains the scsi vpd model description.
242 * Returns: size of formatted string.
245 lpfc_modeldesc_show(struct device
*dev
, struct device_attribute
*attr
,
248 struct Scsi_Host
*shost
= class_to_shost(dev
);
249 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
250 struct lpfc_hba
*phba
= vport
->phba
;
252 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelDesc
);
256 * lpfc_modelname_show - Return the model name of the hba
257 * @dev: class converted to a Scsi_host structure.
258 * @attr: device attribute, not used.
259 * @buf: on return contains the scsi vpd model name.
261 * Returns: size of formatted string.
264 lpfc_modelname_show(struct device
*dev
, struct device_attribute
*attr
,
267 struct Scsi_Host
*shost
= class_to_shost(dev
);
268 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
269 struct lpfc_hba
*phba
= vport
->phba
;
271 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ModelName
);
275 * lpfc_programtype_show - Return the program type of the hba
276 * @dev: class converted to a Scsi_host structure.
277 * @attr: device attribute, not used.
278 * @buf: on return contains the scsi vpd program type.
280 * Returns: size of formatted string.
283 lpfc_programtype_show(struct device
*dev
, struct device_attribute
*attr
,
286 struct Scsi_Host
*shost
= class_to_shost(dev
);
287 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
288 struct lpfc_hba
*phba
= vport
->phba
;
290 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->ProgramType
);
294 * lpfc_mlomgmt_show - Return the Menlo Maintenance sli flag
295 * @dev: class converted to a Scsi_host structure.
296 * @attr: device attribute, not used.
297 * @buf: on return contains the Menlo Maintenance sli flag.
299 * Returns: size of formatted string.
302 lpfc_mlomgmt_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
304 struct Scsi_Host
*shost
= class_to_shost(dev
);
305 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
306 struct lpfc_hba
*phba
= vport
->phba
;
308 return snprintf(buf
, PAGE_SIZE
, "%d\n",
309 (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
));
313 * lpfc_vportnum_show - Return the port number in ascii of the hba
314 * @dev: class converted to a Scsi_host structure.
315 * @attr: device attribute, not used.
316 * @buf: on return contains scsi vpd program type.
318 * Returns: size of formatted string.
321 lpfc_vportnum_show(struct device
*dev
, struct device_attribute
*attr
,
324 struct Scsi_Host
*shost
= class_to_shost(dev
);
325 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
326 struct lpfc_hba
*phba
= vport
->phba
;
328 return snprintf(buf
, PAGE_SIZE
, "%s\n",phba
->Port
);
332 * lpfc_fwrev_show - Return the firmware rev running in the hba
333 * @dev: class converted to a Scsi_host structure.
334 * @attr: device attribute, not used.
335 * @buf: on return contains the scsi vpd program type.
337 * Returns: size of formatted string.
340 lpfc_fwrev_show(struct device
*dev
, struct device_attribute
*attr
,
343 struct Scsi_Host
*shost
= class_to_shost(dev
);
344 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
345 struct lpfc_hba
*phba
= vport
->phba
;
348 lpfc_decode_firmware_rev(phba
, fwrev
, 1);
349 return snprintf(buf
, PAGE_SIZE
, "%s, sli-%d\n", fwrev
, phba
->sli_rev
);
353 * lpfc_hdw_show - Return the jedec information about the hba
354 * @dev: class converted to a Scsi_host structure.
355 * @attr: device attribute, not used.
356 * @buf: on return contains the scsi vpd program type.
358 * Returns: size of formatted string.
361 lpfc_hdw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
364 struct Scsi_Host
*shost
= class_to_shost(dev
);
365 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
366 struct lpfc_hba
*phba
= vport
->phba
;
367 lpfc_vpd_t
*vp
= &phba
->vpd
;
369 lpfc_jedec_to_ascii(vp
->rev
.biuRev
, hdw
);
370 return snprintf(buf
, PAGE_SIZE
, "%s\n", hdw
);
374 * lpfc_option_rom_version_show - Return the adapter ROM FCode version
375 * @dev: class converted to a Scsi_host structure.
376 * @attr: device attribute, not used.
377 * @buf: on return contains the ROM and FCode ascii strings.
379 * Returns: size of formatted string.
382 lpfc_option_rom_version_show(struct device
*dev
, struct device_attribute
*attr
,
385 struct Scsi_Host
*shost
= class_to_shost(dev
);
386 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
387 struct lpfc_hba
*phba
= vport
->phba
;
389 return snprintf(buf
, PAGE_SIZE
, "%s\n", phba
->OptionROMVersion
);
393 * lpfc_state_show - Return the link state of the port
394 * @dev: class converted to a Scsi_host structure.
395 * @attr: device attribute, not used.
396 * @buf: on return contains text describing the state of the link.
399 * The switch statement has no default so zero will be returned.
401 * Returns: size of formatted string.
404 lpfc_link_state_show(struct device
*dev
, struct device_attribute
*attr
,
407 struct Scsi_Host
*shost
= class_to_shost(dev
);
408 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
409 struct lpfc_hba
*phba
= vport
->phba
;
412 switch (phba
->link_state
) {
413 case LPFC_LINK_UNKNOWN
:
414 case LPFC_WARM_START
:
415 case LPFC_INIT_START
:
416 case LPFC_INIT_MBX_CMDS
:
419 if (phba
->hba_flag
& LINK_DISABLED
)
420 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
421 "Link Down - User disabled\n");
423 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
429 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
, "Link Up - ");
431 switch (vport
->port_state
) {
432 case LPFC_LOCAL_CFG_LINK
:
433 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
434 "Configuring Link\n");
438 case LPFC_FABRIC_CFG_LINK
:
441 case LPFC_BUILD_DISC_LIST
:
443 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
446 case LPFC_VPORT_READY
:
447 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Ready\n");
450 case LPFC_VPORT_FAILED
:
451 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "Failed\n");
454 case LPFC_VPORT_UNKNOWN
:
455 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
459 if (phba
->sli
.sli_flag
& LPFC_MENLO_MAINT
)
460 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
461 " Menlo Maint Mode\n");
462 else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
463 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
464 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
467 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
470 if (vport
->fc_flag
& FC_FABRIC
)
471 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
474 len
+= snprintf(buf
+ len
, PAGE_SIZE
-len
,
483 * lpfc_link_state_store - Transition the link_state on an HBA port
484 * @dev: class device that is converted into a Scsi_host.
485 * @attr: device attribute, not used.
486 * @buf: one or more lpfc_polling_flags values.
490 * -EINVAL if the buffer is not "up" or "down"
491 * return from link state change function if non-zero
492 * length of the buf on success
495 lpfc_link_state_store(struct device
*dev
, struct device_attribute
*attr
,
496 const char *buf
, size_t count
)
498 struct Scsi_Host
*shost
= class_to_shost(dev
);
499 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
500 struct lpfc_hba
*phba
= vport
->phba
;
502 int status
= -EINVAL
;
504 if ((strncmp(buf
, "up", sizeof("up") - 1) == 0) &&
505 (phba
->link_state
== LPFC_LINK_DOWN
))
506 status
= phba
->lpfc_hba_init_link(phba
, MBX_NOWAIT
);
507 else if ((strncmp(buf
, "down", sizeof("down") - 1) == 0) &&
508 (phba
->link_state
>= LPFC_LINK_UP
))
509 status
= phba
->lpfc_hba_down_link(phba
, MBX_NOWAIT
);
518 * lpfc_num_discovered_ports_show - Return sum of mapped and unmapped vports
519 * @dev: class device that is converted into a Scsi_host.
520 * @attr: device attribute, not used.
521 * @buf: on return contains the sum of fc mapped and unmapped.
524 * Returns the ascii text number of the sum of the fc mapped and unmapped
527 * Returns: size of formatted string.
530 lpfc_num_discovered_ports_show(struct device
*dev
,
531 struct device_attribute
*attr
, char *buf
)
533 struct Scsi_Host
*shost
= class_to_shost(dev
);
534 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
536 return snprintf(buf
, PAGE_SIZE
, "%d\n",
537 vport
->fc_map_cnt
+ vport
->fc_unmap_cnt
);
541 * lpfc_issue_lip - Misnomer, name carried over from long ago
542 * @shost: Scsi_Host pointer.
545 * Bring the link down gracefully then re-init the link. The firmware will
546 * re-init the fiber channel interface as required. Does not issue a LIP.
549 * -EPERM port offline or management commands are being blocked
550 * -ENOMEM cannot allocate memory for the mailbox command
551 * -EIO error sending the mailbox command
555 lpfc_issue_lip(struct Scsi_Host
*shost
)
557 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
558 struct lpfc_hba
*phba
= vport
->phba
;
559 LPFC_MBOXQ_t
*pmboxq
;
560 int mbxstatus
= MBXERR_ERROR
;
562 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
563 (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
))
566 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
,GFP_KERNEL
);
571 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
572 pmboxq
->u
.mb
.mbxCommand
= MBX_DOWN_LINK
;
573 pmboxq
->u
.mb
.mbxOwner
= OWN_HOST
;
575 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, LPFC_MBOX_TMO
* 2);
577 if ((mbxstatus
== MBX_SUCCESS
) &&
578 (pmboxq
->u
.mb
.mbxStatus
== 0 ||
579 pmboxq
->u
.mb
.mbxStatus
== MBXERR_LINK_DOWN
)) {
580 memset((void *)pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
581 lpfc_init_link(phba
, pmboxq
, phba
->cfg_topology
,
582 phba
->cfg_link_speed
);
583 mbxstatus
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
,
585 if ((mbxstatus
== MBX_SUCCESS
) &&
586 (pmboxq
->u
.mb
.mbxStatus
== MBXERR_SEC_NO_PERMISSION
))
587 lpfc_printf_log(phba
, KERN_ERR
, LOG_MBOX
| LOG_SLI
,
588 "2859 SLI authentication is required "
589 "for INIT_LINK but has not done yet\n");
592 lpfc_set_loopback_flag(phba
);
593 if (mbxstatus
!= MBX_TIMEOUT
)
594 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
596 if (mbxstatus
== MBXERR_ERROR
)
603 * lpfc_do_offline - Issues a mailbox command to bring the link down
604 * @phba: lpfc_hba pointer.
605 * @type: LPFC_EVT_OFFLINE, LPFC_EVT_WARM_START, LPFC_EVT_KILL.
608 * Assumes any error from lpfc_do_offline() will be negative.
609 * Can wait up to 5 seconds for the port ring buffers count
610 * to reach zero, prints a warning if it is not zero and continues.
611 * lpfc_workq_post_event() returns a non-zero return code if call fails.
614 * -EIO error posting the event
618 lpfc_do_offline(struct lpfc_hba
*phba
, uint32_t type
)
620 struct completion online_compl
;
621 struct lpfc_sli_ring
*pring
;
622 struct lpfc_sli
*psli
;
628 init_completion(&online_compl
);
629 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
630 LPFC_EVT_OFFLINE_PREP
);
634 wait_for_completion(&online_compl
);
641 /* Wait a little for things to settle down, but not
642 * long enough for dev loss timeout to expire.
644 for (i
= 0; i
< psli
->num_rings
; i
++) {
645 pring
= &psli
->ring
[i
];
646 while (pring
->txcmplq_cnt
) {
648 if (cnt
++ > 500) { /* 5 secs */
649 lpfc_printf_log(phba
,
650 KERN_WARNING
, LOG_INIT
,
651 "0466 Outstanding IO when "
652 "bringing Adapter offline\n");
658 init_completion(&online_compl
);
659 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
, type
);
663 wait_for_completion(&online_compl
);
672 * lpfc_selective_reset - Offline then onlines the port
673 * @phba: lpfc_hba pointer.
676 * If the port is configured to allow a reset then the hba is brought
677 * offline then online.
680 * Assumes any error from lpfc_do_offline() will be negative.
681 * Do not make this function static.
684 * lpfc_do_offline() return code if not zero
685 * -EIO reset not configured or error posting the event
689 lpfc_selective_reset(struct lpfc_hba
*phba
)
691 struct completion online_compl
;
695 if (!phba
->cfg_enable_hba_reset
)
698 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
703 init_completion(&online_compl
);
704 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
709 wait_for_completion(&online_compl
);
718 * lpfc_issue_reset - Selectively resets an adapter
719 * @dev: class device that is converted into a Scsi_host.
720 * @attr: device attribute, not used.
721 * @buf: containing the string "selective".
722 * @count: unused variable.
725 * If the buf contains the string "selective" then lpfc_selective_reset()
726 * is called to perform the reset.
729 * Assumes any error from lpfc_selective_reset() will be negative.
730 * If lpfc_selective_reset() returns zero then the length of the buffer
731 * is returned which indicates success
734 * -EINVAL if the buffer does not contain the string "selective"
735 * length of buf if lpfc-selective_reset() if the call succeeds
736 * return value of lpfc_selective_reset() if the call fails
739 lpfc_issue_reset(struct device
*dev
, struct device_attribute
*attr
,
740 const char *buf
, size_t count
)
742 struct Scsi_Host
*shost
= class_to_shost(dev
);
743 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
744 struct lpfc_hba
*phba
= vport
->phba
;
746 int status
= -EINVAL
;
748 if (strncmp(buf
, "selective", sizeof("selective") - 1) == 0)
749 status
= phba
->lpfc_selective_reset(phba
);
758 * lpfc_nport_evt_cnt_show - Return the number of nport events
759 * @dev: class device that is converted into a Scsi_host.
760 * @attr: device attribute, not used.
761 * @buf: on return contains the ascii number of nport events.
763 * Returns: size of formatted string.
766 lpfc_nport_evt_cnt_show(struct device
*dev
, struct device_attribute
*attr
,
769 struct Scsi_Host
*shost
= class_to_shost(dev
);
770 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
771 struct lpfc_hba
*phba
= vport
->phba
;
773 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->nport_event_cnt
);
777 * lpfc_board_mode_show - Return the state of the board
778 * @dev: class device that is converted into a Scsi_host.
779 * @attr: device attribute, not used.
780 * @buf: on return contains the state of the adapter.
782 * Returns: size of formatted string.
785 lpfc_board_mode_show(struct device
*dev
, struct device_attribute
*attr
,
788 struct Scsi_Host
*shost
= class_to_shost(dev
);
789 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
790 struct lpfc_hba
*phba
= vport
->phba
;
793 if (phba
->link_state
== LPFC_HBA_ERROR
)
795 else if (phba
->link_state
== LPFC_WARM_START
)
796 state
= "warm start";
797 else if (phba
->link_state
== LPFC_INIT_START
)
802 return snprintf(buf
, PAGE_SIZE
, "%s\n", state
);
806 * lpfc_board_mode_store - Puts the hba in online, offline, warm or error state
807 * @dev: class device that is converted into a Scsi_host.
808 * @attr: device attribute, not used.
809 * @buf: containing one of the strings "online", "offline", "warm" or "error".
810 * @count: unused variable.
813 * -EACCES if enable hba reset not enabled
814 * -EINVAL if the buffer does not contain a valid string (see above)
815 * -EIO if lpfc_workq_post_event() or lpfc_do_offline() fails
816 * buf length greater than zero indicates success
819 lpfc_board_mode_store(struct device
*dev
, struct device_attribute
*attr
,
820 const char *buf
, size_t count
)
822 struct Scsi_Host
*shost
= class_to_shost(dev
);
823 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
824 struct lpfc_hba
*phba
= vport
->phba
;
825 struct completion online_compl
;
829 if (!phba
->cfg_enable_hba_reset
)
831 init_completion(&online_compl
);
833 if(strncmp(buf
, "online", sizeof("online") - 1) == 0) {
834 rc
= lpfc_workq_post_event(phba
, &status
, &online_compl
,
838 wait_for_completion(&online_compl
);
839 } else if (strncmp(buf
, "offline", sizeof("offline") - 1) == 0)
840 status
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
841 else if (strncmp(buf
, "warm", sizeof("warm") - 1) == 0)
842 if (phba
->sli_rev
== LPFC_SLI_REV4
)
845 status
= lpfc_do_offline(phba
, LPFC_EVT_WARM_START
);
846 else if (strncmp(buf
, "error", sizeof("error") - 1) == 0)
847 if (phba
->sli_rev
== LPFC_SLI_REV4
)
850 status
= lpfc_do_offline(phba
, LPFC_EVT_KILL
);
861 * lpfc_get_hba_info - Return various bits of informaton about the adapter
862 * @phba: pointer to the adapter structure.
863 * @mxri: max xri count.
864 * @axri: available xri count.
865 * @mrpi: max rpi count.
866 * @arpi: available rpi count.
867 * @mvpi: max vpi count.
868 * @avpi: available vpi count.
871 * If an integer pointer for an count is not null then the value for the
879 lpfc_get_hba_info(struct lpfc_hba
*phba
,
880 uint32_t *mxri
, uint32_t *axri
,
881 uint32_t *mrpi
, uint32_t *arpi
,
882 uint32_t *mvpi
, uint32_t *avpi
)
884 struct lpfc_mbx_read_config
*rd_config
;
885 LPFC_MBOXQ_t
*pmboxq
;
891 * prevent udev from issuing mailbox commands until the port is
894 if (phba
->link_state
< LPFC_LINK_DOWN
||
895 !phba
->mbox_mem_pool
||
896 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
899 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
902 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
905 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
908 pmb
->mbxCommand
= MBX_READ_CONFIG
;
909 pmb
->mbxOwner
= OWN_HOST
;
910 pmboxq
->context1
= NULL
;
912 if (phba
->pport
->fc_flag
& FC_OFFLINE_MODE
)
913 rc
= MBX_NOT_FINISHED
;
915 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
917 if (rc
!= MBX_SUCCESS
) {
918 if (rc
!= MBX_TIMEOUT
)
919 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
923 if (phba
->sli_rev
== LPFC_SLI_REV4
) {
924 rd_config
= &pmboxq
->u
.mqe
.un
.rd_config
;
926 *mrpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
);
928 *arpi
= bf_get(lpfc_mbx_rd_conf_rpi_count
, rd_config
) -
929 phba
->sli4_hba
.max_cfg_param
.rpi_used
;
931 *mxri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
);
933 *axri
= bf_get(lpfc_mbx_rd_conf_xri_count
, rd_config
) -
934 phba
->sli4_hba
.max_cfg_param
.xri_used
;
936 /* Account for differences with SLI-3. Get vpi count from
937 * mailbox data and subtract one for max vpi value.
939 max_vpi
= (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) > 0) ?
940 (bf_get(lpfc_mbx_rd_conf_vpi_count
, rd_config
) - 1) : 0;
945 *avpi
= max_vpi
- phba
->sli4_hba
.max_cfg_param
.vpi_used
;
948 *mrpi
= pmb
->un
.varRdConfig
.max_rpi
;
950 *arpi
= pmb
->un
.varRdConfig
.avail_rpi
;
952 *mxri
= pmb
->un
.varRdConfig
.max_xri
;
954 *axri
= pmb
->un
.varRdConfig
.avail_xri
;
956 *mvpi
= pmb
->un
.varRdConfig
.max_vpi
;
958 *avpi
= pmb
->un
.varRdConfig
.avail_vpi
;
961 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
966 * lpfc_max_rpi_show - Return maximum rpi
967 * @dev: class device that is converted into a Scsi_host.
968 * @attr: device attribute, not used.
969 * @buf: on return contains the maximum rpi count in decimal or "Unknown".
972 * Calls lpfc_get_hba_info() asking for just the mrpi count.
973 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
974 * to "Unknown" and the buffer length is returned, therefore the caller
975 * must check for "Unknown" in the buffer to detect a failure.
977 * Returns: size of formatted string.
980 lpfc_max_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
983 struct Scsi_Host
*shost
= class_to_shost(dev
);
984 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
985 struct lpfc_hba
*phba
= vport
->phba
;
988 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, NULL
, NULL
, NULL
))
989 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
990 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
994 * lpfc_used_rpi_show - Return maximum rpi minus available rpi
995 * @dev: class device that is converted into a Scsi_host.
996 * @attr: device attribute, not used.
997 * @buf: containing the used rpi count in decimal or "Unknown".
1000 * Calls lpfc_get_hba_info() asking for just the mrpi and arpi counts.
1001 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1002 * to "Unknown" and the buffer length is returned, therefore the caller
1003 * must check for "Unknown" in the buffer to detect a failure.
1005 * Returns: size of formatted string.
1008 lpfc_used_rpi_show(struct device
*dev
, struct device_attribute
*attr
,
1011 struct Scsi_Host
*shost
= class_to_shost(dev
);
1012 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1013 struct lpfc_hba
*phba
= vport
->phba
;
1016 if (lpfc_get_hba_info(phba
, NULL
, NULL
, &cnt
, &acnt
, NULL
, NULL
))
1017 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1018 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1022 * lpfc_max_xri_show - Return maximum xri
1023 * @dev: class device that is converted into a Scsi_host.
1024 * @attr: device attribute, not used.
1025 * @buf: on return contains the maximum xri count in decimal or "Unknown".
1028 * Calls lpfc_get_hba_info() asking for just the mrpi count.
1029 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1030 * to "Unknown" and the buffer length is returned, therefore the caller
1031 * must check for "Unknown" in the buffer to detect a failure.
1033 * Returns: size of formatted string.
1036 lpfc_max_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1039 struct Scsi_Host
*shost
= class_to_shost(dev
);
1040 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1041 struct lpfc_hba
*phba
= vport
->phba
;
1044 if (lpfc_get_hba_info(phba
, &cnt
, NULL
, NULL
, NULL
, NULL
, NULL
))
1045 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1046 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1050 * lpfc_used_xri_show - Return maximum xpi minus the available xpi
1051 * @dev: class device that is converted into a Scsi_host.
1052 * @attr: device attribute, not used.
1053 * @buf: on return contains the used xri count in decimal or "Unknown".
1056 * Calls lpfc_get_hba_info() asking for just the mxri and axri counts.
1057 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1058 * to "Unknown" and the buffer length is returned, therefore the caller
1059 * must check for "Unknown" in the buffer to detect a failure.
1061 * Returns: size of formatted string.
1064 lpfc_used_xri_show(struct device
*dev
, struct device_attribute
*attr
,
1067 struct Scsi_Host
*shost
= class_to_shost(dev
);
1068 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1069 struct lpfc_hba
*phba
= vport
->phba
;
1072 if (lpfc_get_hba_info(phba
, &cnt
, &acnt
, NULL
, NULL
, NULL
, NULL
))
1073 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1074 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1078 * lpfc_max_vpi_show - Return maximum vpi
1079 * @dev: class device that is converted into a Scsi_host.
1080 * @attr: device attribute, not used.
1081 * @buf: on return contains the maximum vpi count in decimal or "Unknown".
1084 * Calls lpfc_get_hba_info() asking for just the mvpi count.
1085 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1086 * to "Unknown" and the buffer length is returned, therefore the caller
1087 * must check for "Unknown" in the buffer to detect a failure.
1089 * Returns: size of formatted string.
1092 lpfc_max_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1095 struct Scsi_Host
*shost
= class_to_shost(dev
);
1096 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1097 struct lpfc_hba
*phba
= vport
->phba
;
1100 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, NULL
))
1101 return snprintf(buf
, PAGE_SIZE
, "%d\n", cnt
);
1102 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1106 * lpfc_used_vpi_show - Return maximum vpi minus the available vpi
1107 * @dev: class device that is converted into a Scsi_host.
1108 * @attr: device attribute, not used.
1109 * @buf: on return contains the used vpi count in decimal or "Unknown".
1112 * Calls lpfc_get_hba_info() asking for just the mvpi and avpi counts.
1113 * If lpfc_get_hba_info() returns zero (failure) the buffer text is set
1114 * to "Unknown" and the buffer length is returned, therefore the caller
1115 * must check for "Unknown" in the buffer to detect a failure.
1117 * Returns: size of formatted string.
1120 lpfc_used_vpi_show(struct device
*dev
, struct device_attribute
*attr
,
1123 struct Scsi_Host
*shost
= class_to_shost(dev
);
1124 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1125 struct lpfc_hba
*phba
= vport
->phba
;
1128 if (lpfc_get_hba_info(phba
, NULL
, NULL
, NULL
, NULL
, &cnt
, &acnt
))
1129 return snprintf(buf
, PAGE_SIZE
, "%d\n", (cnt
- acnt
));
1130 return snprintf(buf
, PAGE_SIZE
, "Unknown\n");
1134 * lpfc_npiv_info_show - Return text about NPIV support for the adapter
1135 * @dev: class device that is converted into a Scsi_host.
1136 * @attr: device attribute, not used.
1137 * @buf: text that must be interpreted to determine if npiv is supported.
1140 * Buffer will contain text indicating npiv is not suppoerted on the port,
1141 * the port is an NPIV physical port, or it is an npiv virtual port with
1142 * the id of the vport.
1144 * Returns: size of formatted string.
1147 lpfc_npiv_info_show(struct device
*dev
, struct device_attribute
*attr
,
1150 struct Scsi_Host
*shost
= class_to_shost(dev
);
1151 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1152 struct lpfc_hba
*phba
= vport
->phba
;
1154 if (!(phba
->max_vpi
))
1155 return snprintf(buf
, PAGE_SIZE
, "NPIV Not Supported\n");
1156 if (vport
->port_type
== LPFC_PHYSICAL_PORT
)
1157 return snprintf(buf
, PAGE_SIZE
, "NPIV Physical\n");
1158 return snprintf(buf
, PAGE_SIZE
, "NPIV Virtual (VPI %d)\n", vport
->vpi
);
1162 * lpfc_poll_show - Return text about poll support for the adapter
1163 * @dev: class device that is converted into a Scsi_host.
1164 * @attr: device attribute, not used.
1165 * @buf: on return contains the cfg_poll in hex.
1168 * cfg_poll should be a lpfc_polling_flags type.
1170 * Returns: size of formatted string.
1173 lpfc_poll_show(struct device
*dev
, struct device_attribute
*attr
,
1176 struct Scsi_Host
*shost
= class_to_shost(dev
);
1177 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1178 struct lpfc_hba
*phba
= vport
->phba
;
1180 return snprintf(buf
, PAGE_SIZE
, "%#x\n", phba
->cfg_poll
);
1184 * lpfc_poll_store - Set the value of cfg_poll for the adapter
1185 * @dev: class device that is converted into a Scsi_host.
1186 * @attr: device attribute, not used.
1187 * @buf: one or more lpfc_polling_flags values.
1191 * buf contents converted to integer and checked for a valid value.
1194 * -EINVAL if the buffer connot be converted or is out of range
1195 * length of the buf on success
1198 lpfc_poll_store(struct device
*dev
, struct device_attribute
*attr
,
1199 const char *buf
, size_t count
)
1201 struct Scsi_Host
*shost
= class_to_shost(dev
);
1202 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1203 struct lpfc_hba
*phba
= vport
->phba
;
1208 if (!isdigit(buf
[0]))
1211 if (sscanf(buf
, "%i", &val
) != 1)
1214 if ((val
& 0x3) != val
)
1217 if (phba
->sli_rev
== LPFC_SLI_REV4
)
1220 spin_lock_irq(&phba
->hbalock
);
1222 old_val
= phba
->cfg_poll
;
1224 if (val
& ENABLE_FCP_RING_POLLING
) {
1225 if ((val
& DISABLE_FCP_RING_INT
) &&
1226 !(old_val
& DISABLE_FCP_RING_INT
)) {
1227 creg_val
= readl(phba
->HCregaddr
);
1228 creg_val
&= ~(HC_R0INT_ENA
<< LPFC_FCP_RING
);
1229 writel(creg_val
, phba
->HCregaddr
);
1230 readl(phba
->HCregaddr
); /* flush */
1232 lpfc_poll_start_timer(phba
);
1234 } else if (val
!= 0x0) {
1235 spin_unlock_irq(&phba
->hbalock
);
1239 if (!(val
& DISABLE_FCP_RING_INT
) &&
1240 (old_val
& DISABLE_FCP_RING_INT
))
1242 spin_unlock_irq(&phba
->hbalock
);
1243 del_timer(&phba
->fcp_poll_timer
);
1244 spin_lock_irq(&phba
->hbalock
);
1245 creg_val
= readl(phba
->HCregaddr
);
1246 creg_val
|= (HC_R0INT_ENA
<< LPFC_FCP_RING
);
1247 writel(creg_val
, phba
->HCregaddr
);
1248 readl(phba
->HCregaddr
); /* flush */
1251 phba
->cfg_poll
= val
;
1253 spin_unlock_irq(&phba
->hbalock
);
1259 * lpfc_fips_level_show - Return the current FIPS level for the HBA
1260 * @dev: class unused variable.
1261 * @attr: device attribute, not used.
1262 * @buf: on return contains the module description text.
1264 * Returns: size of formatted string.
1267 lpfc_fips_level_show(struct device
*dev
, struct device_attribute
*attr
,
1270 struct Scsi_Host
*shost
= class_to_shost(dev
);
1271 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1272 struct lpfc_hba
*phba
= vport
->phba
;
1274 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_level
);
1278 * lpfc_fips_rev_show - Return the FIPS Spec revision for the HBA
1279 * @dev: class unused variable.
1280 * @attr: device attribute, not used.
1281 * @buf: on return contains the module description text.
1283 * Returns: size of formatted string.
1286 lpfc_fips_rev_show(struct device
*dev
, struct device_attribute
*attr
,
1289 struct Scsi_Host
*shost
= class_to_shost(dev
);
1290 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1291 struct lpfc_hba
*phba
= vport
->phba
;
1293 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->fips_spec_rev
);
1297 * lpfc_dss_show - Return the current state of dss and the configured state
1298 * @dev: class converted to a Scsi_host structure.
1299 * @attr: device attribute, not used.
1300 * @buf: on return contains the formatted text.
1302 * Returns: size of formatted string.
1305 lpfc_dss_show(struct device
*dev
, struct device_attribute
*attr
,
1308 struct Scsi_Host
*shost
= class_to_shost(dev
);
1309 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1310 struct lpfc_hba
*phba
= vport
->phba
;
1312 return snprintf(buf
, PAGE_SIZE
, "%s - %sOperational\n",
1313 (phba
->cfg_enable_dss
) ? "Enabled" : "Disabled",
1314 (phba
->sli3_options
& LPFC_SLI3_DSS_ENABLED
) ?
1319 * lpfc_param_show - Return a cfg attribute value in decimal
1322 * Macro that given an attr e.g. hba_queue_depth expands
1323 * into a function with the name lpfc_hba_queue_depth_show.
1325 * lpfc_##attr##_show: Return the decimal value of an adapters cfg_xxx field.
1326 * @dev: class device that is converted into a Scsi_host.
1327 * @attr: device attribute, not used.
1328 * @buf: on return contains the attribute value in decimal.
1330 * Returns: size of formatted string.
1332 #define lpfc_param_show(attr) \
1334 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1337 struct Scsi_Host *shost = class_to_shost(dev);\
1338 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1339 struct lpfc_hba *phba = vport->phba;\
1341 val = phba->cfg_##attr;\
1342 return snprintf(buf, PAGE_SIZE, "%d\n",\
1347 * lpfc_param_hex_show - Return a cfg attribute value in hex
1350 * Macro that given an attr e.g. hba_queue_depth expands
1351 * into a function with the name lpfc_hba_queue_depth_show
1353 * lpfc_##attr##_show: Return the hex value of an adapters cfg_xxx field.
1354 * @dev: class device that is converted into a Scsi_host.
1355 * @attr: device attribute, not used.
1356 * @buf: on return contains the attribute value in hexadecimal.
1358 * Returns: size of formatted string.
1360 #define lpfc_param_hex_show(attr) \
1362 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1365 struct Scsi_Host *shost = class_to_shost(dev);\
1366 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1367 struct lpfc_hba *phba = vport->phba;\
1369 val = phba->cfg_##attr;\
1370 return snprintf(buf, PAGE_SIZE, "%#x\n",\
1375 * lpfc_param_init - Initializes a cfg attribute
1378 * Macro that given an attr e.g. hba_queue_depth expands
1379 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1380 * takes a default argument, a minimum and maximum argument.
1382 * lpfc_##attr##_init: Initializes an attribute.
1383 * @phba: pointer the the adapter structure.
1384 * @val: integer attribute value.
1386 * Validates the min and max values then sets the adapter config field
1387 * accordingly, or uses the default if out of range and prints an error message.
1391 * -EINVAL if default used
1393 #define lpfc_param_init(attr, default, minval, maxval) \
1395 lpfc_##attr##_init(struct lpfc_hba *phba, uint val) \
1397 if (val >= minval && val <= maxval) {\
1398 phba->cfg_##attr = val;\
1401 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1402 "0449 lpfc_"#attr" attribute cannot be set to %d, "\
1403 "allowed range is ["#minval", "#maxval"]\n", val); \
1404 phba->cfg_##attr = default;\
1409 * lpfc_param_set - Set a cfg attribute value
1412 * Macro that given an attr e.g. hba_queue_depth expands
1413 * into a function with the name lpfc_hba_queue_depth_set
1415 * lpfc_##attr##_set: Sets an attribute value.
1416 * @phba: pointer the the adapter structure.
1417 * @val: integer attribute value.
1420 * Validates the min and max values then sets the
1421 * adapter config field if in the valid range. prints error message
1422 * and does not set the parameter if invalid.
1426 * -EINVAL if val is invalid
1428 #define lpfc_param_set(attr, default, minval, maxval) \
1430 lpfc_##attr##_set(struct lpfc_hba *phba, uint val) \
1432 if (val >= minval && val <= maxval) {\
1433 phba->cfg_##attr = val;\
1436 lpfc_printf_log(phba, KERN_ERR, LOG_INIT, \
1437 "0450 lpfc_"#attr" attribute cannot be set to %d, "\
1438 "allowed range is ["#minval", "#maxval"]\n", val); \
1443 * lpfc_param_store - Set a vport attribute value
1446 * Macro that given an attr e.g. hba_queue_depth expands
1447 * into a function with the name lpfc_hba_queue_depth_store.
1449 * lpfc_##attr##_store: Set an sttribute value.
1450 * @dev: class device that is converted into a Scsi_host.
1451 * @attr: device attribute, not used.
1452 * @buf: contains the attribute value in ascii.
1456 * Convert the ascii text number to an integer, then
1457 * use the lpfc_##attr##_set function to set the value.
1460 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1461 * length of buffer upon success.
1463 #define lpfc_param_store(attr) \
1465 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1466 const char *buf, size_t count) \
1468 struct Scsi_Host *shost = class_to_shost(dev);\
1469 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1470 struct lpfc_hba *phba = vport->phba;\
1472 if (!isdigit(buf[0]))\
1474 if (sscanf(buf, "%i", &val) != 1)\
1476 if (lpfc_##attr##_set(phba, val) == 0) \
1477 return strlen(buf);\
1483 * lpfc_vport_param_show - Return decimal formatted cfg attribute value
1486 * Macro that given an attr e.g. hba_queue_depth expands
1487 * into a function with the name lpfc_hba_queue_depth_show
1489 * lpfc_##attr##_show: prints the attribute value in decimal.
1490 * @dev: class device that is converted into a Scsi_host.
1491 * @attr: device attribute, not used.
1492 * @buf: on return contains the attribute value in decimal.
1494 * Returns: length of formatted string.
1496 #define lpfc_vport_param_show(attr) \
1498 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1501 struct Scsi_Host *shost = class_to_shost(dev);\
1502 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1504 val = vport->cfg_##attr;\
1505 return snprintf(buf, PAGE_SIZE, "%d\n", vport->cfg_##attr);\
1509 * lpfc_vport_param_hex_show - Return hex formatted attribute value
1512 * Macro that given an attr e.g.
1513 * hba_queue_depth expands into a function with the name
1514 * lpfc_hba_queue_depth_show
1516 * lpfc_##attr##_show: prints the attribute value in hexadecimal.
1517 * @dev: class device that is converted into a Scsi_host.
1518 * @attr: device attribute, not used.
1519 * @buf: on return contains the attribute value in hexadecimal.
1521 * Returns: length of formatted string.
1523 #define lpfc_vport_param_hex_show(attr) \
1525 lpfc_##attr##_show(struct device *dev, struct device_attribute *attr, \
1528 struct Scsi_Host *shost = class_to_shost(dev);\
1529 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1531 val = vport->cfg_##attr;\
1532 return snprintf(buf, PAGE_SIZE, "%#x\n", vport->cfg_##attr);\
1536 * lpfc_vport_param_init - Initialize a vport cfg attribute
1539 * Macro that given an attr e.g. hba_queue_depth expands
1540 * into a function with the name lpfc_hba_queue_depth_init. The macro also
1541 * takes a default argument, a minimum and maximum argument.
1543 * lpfc_##attr##_init: validates the min and max values then sets the
1544 * adapter config field accordingly, or uses the default if out of range
1545 * and prints an error message.
1546 * @phba: pointer the the adapter structure.
1547 * @val: integer attribute value.
1551 * -EINVAL if default used
1553 #define lpfc_vport_param_init(attr, default, minval, maxval) \
1555 lpfc_##attr##_init(struct lpfc_vport *vport, uint val) \
1557 if (val >= minval && val <= maxval) {\
1558 vport->cfg_##attr = val;\
1561 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1562 "0423 lpfc_"#attr" attribute cannot be set to %d, "\
1563 "allowed range is ["#minval", "#maxval"]\n", val); \
1564 vport->cfg_##attr = default;\
1569 * lpfc_vport_param_set - Set a vport cfg attribute
1572 * Macro that given an attr e.g. hba_queue_depth expands
1573 * into a function with the name lpfc_hba_queue_depth_set
1575 * lpfc_##attr##_set: validates the min and max values then sets the
1576 * adapter config field if in the valid range. prints error message
1577 * and does not set the parameter if invalid.
1578 * @phba: pointer the the adapter structure.
1579 * @val: integer attribute value.
1583 * -EINVAL if val is invalid
1585 #define lpfc_vport_param_set(attr, default, minval, maxval) \
1587 lpfc_##attr##_set(struct lpfc_vport *vport, uint val) \
1589 if (val >= minval && val <= maxval) {\
1590 vport->cfg_##attr = val;\
1593 lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, \
1594 "0424 lpfc_"#attr" attribute cannot be set to %d, "\
1595 "allowed range is ["#minval", "#maxval"]\n", val); \
1600 * lpfc_vport_param_store - Set a vport attribute
1603 * Macro that given an attr e.g. hba_queue_depth
1604 * expands into a function with the name lpfc_hba_queue_depth_store
1606 * lpfc_##attr##_store: convert the ascii text number to an integer, then
1607 * use the lpfc_##attr##_set function to set the value.
1608 * @cdev: class device that is converted into a Scsi_host.
1609 * @buf: contains the attribute value in decimal.
1613 * -EINVAL if val is invalid or lpfc_##attr##_set() fails
1614 * length of buffer upon success.
1616 #define lpfc_vport_param_store(attr) \
1618 lpfc_##attr##_store(struct device *dev, struct device_attribute *attr, \
1619 const char *buf, size_t count) \
1621 struct Scsi_Host *shost = class_to_shost(dev);\
1622 struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;\
1624 if (!isdigit(buf[0]))\
1626 if (sscanf(buf, "%i", &val) != 1)\
1628 if (lpfc_##attr##_set(vport, val) == 0) \
1629 return strlen(buf);\
1635 #define LPFC_ATTR(name, defval, minval, maxval, desc) \
1636 static uint lpfc_##name = defval;\
1637 module_param(lpfc_##name, uint, S_IRUGO);\
1638 MODULE_PARM_DESC(lpfc_##name, desc);\
1639 lpfc_param_init(name, defval, minval, maxval)
1641 #define LPFC_ATTR_R(name, defval, minval, maxval, desc) \
1642 static uint lpfc_##name = defval;\
1643 module_param(lpfc_##name, uint, S_IRUGO);\
1644 MODULE_PARM_DESC(lpfc_##name, desc);\
1645 lpfc_param_show(name)\
1646 lpfc_param_init(name, defval, minval, maxval)\
1647 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1649 #define LPFC_ATTR_RW(name, defval, minval, maxval, desc) \
1650 static uint lpfc_##name = defval;\
1651 module_param(lpfc_##name, uint, S_IRUGO);\
1652 MODULE_PARM_DESC(lpfc_##name, desc);\
1653 lpfc_param_show(name)\
1654 lpfc_param_init(name, defval, minval, maxval)\
1655 lpfc_param_set(name, defval, minval, maxval)\
1656 lpfc_param_store(name)\
1657 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1658 lpfc_##name##_show, lpfc_##name##_store)
1660 #define LPFC_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1661 static uint lpfc_##name = defval;\
1662 module_param(lpfc_##name, uint, S_IRUGO);\
1663 MODULE_PARM_DESC(lpfc_##name, desc);\
1664 lpfc_param_hex_show(name)\
1665 lpfc_param_init(name, defval, minval, maxval)\
1666 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1668 #define LPFC_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1669 static uint lpfc_##name = defval;\
1670 module_param(lpfc_##name, uint, S_IRUGO);\
1671 MODULE_PARM_DESC(lpfc_##name, desc);\
1672 lpfc_param_hex_show(name)\
1673 lpfc_param_init(name, defval, minval, maxval)\
1674 lpfc_param_set(name, defval, minval, maxval)\
1675 lpfc_param_store(name)\
1676 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1677 lpfc_##name##_show, lpfc_##name##_store)
1679 #define LPFC_VPORT_ATTR(name, defval, minval, maxval, desc) \
1680 static uint lpfc_##name = defval;\
1681 module_param(lpfc_##name, uint, S_IRUGO);\
1682 MODULE_PARM_DESC(lpfc_##name, desc);\
1683 lpfc_vport_param_init(name, defval, minval, maxval)
1685 #define LPFC_VPORT_ATTR_R(name, defval, minval, maxval, desc) \
1686 static uint lpfc_##name = defval;\
1687 module_param(lpfc_##name, uint, S_IRUGO);\
1688 MODULE_PARM_DESC(lpfc_##name, desc);\
1689 lpfc_vport_param_show(name)\
1690 lpfc_vport_param_init(name, defval, minval, maxval)\
1691 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1693 #define LPFC_VPORT_ATTR_RW(name, defval, minval, maxval, desc) \
1694 static uint lpfc_##name = defval;\
1695 module_param(lpfc_##name, uint, S_IRUGO);\
1696 MODULE_PARM_DESC(lpfc_##name, desc);\
1697 lpfc_vport_param_show(name)\
1698 lpfc_vport_param_init(name, defval, minval, maxval)\
1699 lpfc_vport_param_set(name, defval, minval, maxval)\
1700 lpfc_vport_param_store(name)\
1701 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1702 lpfc_##name##_show, lpfc_##name##_store)
1704 #define LPFC_VPORT_ATTR_HEX_R(name, defval, minval, maxval, desc) \
1705 static uint lpfc_##name = defval;\
1706 module_param(lpfc_##name, uint, S_IRUGO);\
1707 MODULE_PARM_DESC(lpfc_##name, desc);\
1708 lpfc_vport_param_hex_show(name)\
1709 lpfc_vport_param_init(name, defval, minval, maxval)\
1710 static DEVICE_ATTR(lpfc_##name, S_IRUGO , lpfc_##name##_show, NULL)
1712 #define LPFC_VPORT_ATTR_HEX_RW(name, defval, minval, maxval, desc) \
1713 static uint lpfc_##name = defval;\
1714 module_param(lpfc_##name, uint, S_IRUGO);\
1715 MODULE_PARM_DESC(lpfc_##name, desc);\
1716 lpfc_vport_param_hex_show(name)\
1717 lpfc_vport_param_init(name, defval, minval, maxval)\
1718 lpfc_vport_param_set(name, defval, minval, maxval)\
1719 lpfc_vport_param_store(name)\
1720 static DEVICE_ATTR(lpfc_##name, S_IRUGO | S_IWUSR,\
1721 lpfc_##name##_show, lpfc_##name##_store)
1723 static DEVICE_ATTR(bg_info
, S_IRUGO
, lpfc_bg_info_show
, NULL
);
1724 static DEVICE_ATTR(bg_guard_err
, S_IRUGO
, lpfc_bg_guard_err_show
, NULL
);
1725 static DEVICE_ATTR(bg_apptag_err
, S_IRUGO
, lpfc_bg_apptag_err_show
, NULL
);
1726 static DEVICE_ATTR(bg_reftag_err
, S_IRUGO
, lpfc_bg_reftag_err_show
, NULL
);
1727 static DEVICE_ATTR(info
, S_IRUGO
, lpfc_info_show
, NULL
);
1728 static DEVICE_ATTR(serialnum
, S_IRUGO
, lpfc_serialnum_show
, NULL
);
1729 static DEVICE_ATTR(modeldesc
, S_IRUGO
, lpfc_modeldesc_show
, NULL
);
1730 static DEVICE_ATTR(modelname
, S_IRUGO
, lpfc_modelname_show
, NULL
);
1731 static DEVICE_ATTR(programtype
, S_IRUGO
, lpfc_programtype_show
, NULL
);
1732 static DEVICE_ATTR(portnum
, S_IRUGO
, lpfc_vportnum_show
, NULL
);
1733 static DEVICE_ATTR(fwrev
, S_IRUGO
, lpfc_fwrev_show
, NULL
);
1734 static DEVICE_ATTR(hdw
, S_IRUGO
, lpfc_hdw_show
, NULL
);
1735 static DEVICE_ATTR(link_state
, S_IRUGO
| S_IWUSR
, lpfc_link_state_show
,
1736 lpfc_link_state_store
);
1737 static DEVICE_ATTR(option_rom_version
, S_IRUGO
,
1738 lpfc_option_rom_version_show
, NULL
);
1739 static DEVICE_ATTR(num_discovered_ports
, S_IRUGO
,
1740 lpfc_num_discovered_ports_show
, NULL
);
1741 static DEVICE_ATTR(menlo_mgmt_mode
, S_IRUGO
, lpfc_mlomgmt_show
, NULL
);
1742 static DEVICE_ATTR(nport_evt_cnt
, S_IRUGO
, lpfc_nport_evt_cnt_show
, NULL
);
1743 static DEVICE_ATTR(lpfc_drvr_version
, S_IRUGO
, lpfc_drvr_version_show
, NULL
);
1744 static DEVICE_ATTR(lpfc_enable_fip
, S_IRUGO
, lpfc_enable_fip_show
, NULL
);
1745 static DEVICE_ATTR(board_mode
, S_IRUGO
| S_IWUSR
,
1746 lpfc_board_mode_show
, lpfc_board_mode_store
);
1747 static DEVICE_ATTR(issue_reset
, S_IWUSR
, NULL
, lpfc_issue_reset
);
1748 static DEVICE_ATTR(max_vpi
, S_IRUGO
, lpfc_max_vpi_show
, NULL
);
1749 static DEVICE_ATTR(used_vpi
, S_IRUGO
, lpfc_used_vpi_show
, NULL
);
1750 static DEVICE_ATTR(max_rpi
, S_IRUGO
, lpfc_max_rpi_show
, NULL
);
1751 static DEVICE_ATTR(used_rpi
, S_IRUGO
, lpfc_used_rpi_show
, NULL
);
1752 static DEVICE_ATTR(max_xri
, S_IRUGO
, lpfc_max_xri_show
, NULL
);
1753 static DEVICE_ATTR(used_xri
, S_IRUGO
, lpfc_used_xri_show
, NULL
);
1754 static DEVICE_ATTR(npiv_info
, S_IRUGO
, lpfc_npiv_info_show
, NULL
);
1755 static DEVICE_ATTR(lpfc_temp_sensor
, S_IRUGO
, lpfc_temp_sensor_show
, NULL
);
1756 static DEVICE_ATTR(lpfc_fips_level
, S_IRUGO
, lpfc_fips_level_show
, NULL
);
1757 static DEVICE_ATTR(lpfc_fips_rev
, S_IRUGO
, lpfc_fips_rev_show
, NULL
);
1758 static DEVICE_ATTR(lpfc_dss
, S_IRUGO
, lpfc_dss_show
, NULL
);
1760 static char *lpfc_soft_wwn_key
= "C99G71SL8032A";
1763 * lpfc_soft_wwn_enable_store - Allows setting of the wwn if the key is valid
1764 * @dev: class device that is converted into a Scsi_host.
1765 * @attr: device attribute, not used.
1766 * @buf: containing the string lpfc_soft_wwn_key.
1767 * @count: must be size of lpfc_soft_wwn_key.
1770 * -EINVAL if the buffer does not contain lpfc_soft_wwn_key
1771 * length of buf indicates success
1774 lpfc_soft_wwn_enable_store(struct device
*dev
, struct device_attribute
*attr
,
1775 const char *buf
, size_t count
)
1777 struct Scsi_Host
*shost
= class_to_shost(dev
);
1778 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1779 struct lpfc_hba
*phba
= vport
->phba
;
1780 unsigned int cnt
= count
;
1783 * We're doing a simple sanity check for soft_wwpn setting.
1784 * We require that the user write a specific key to enable
1785 * the soft_wwpn attribute to be settable. Once the attribute
1786 * is written, the enable key resets. If further updates are
1787 * desired, the key must be written again to re-enable the
1790 * The "key" is not secret - it is a hardcoded string shown
1791 * here. The intent is to protect against the random user or
1792 * application that is just writing attributes.
1795 /* count may include a LF at end of string */
1796 if (buf
[cnt
-1] == '\n')
1799 if ((cnt
!= strlen(lpfc_soft_wwn_key
)) ||
1800 (strncmp(buf
, lpfc_soft_wwn_key
, strlen(lpfc_soft_wwn_key
)) != 0))
1803 phba
->soft_wwn_enable
= 1;
1806 static DEVICE_ATTR(lpfc_soft_wwn_enable
, S_IWUSR
, NULL
,
1807 lpfc_soft_wwn_enable_store
);
1810 * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the adapter
1811 * @dev: class device that is converted into a Scsi_host.
1812 * @attr: device attribute, not used.
1813 * @buf: on return contains the wwpn in hexadecimal.
1815 * Returns: size of formatted string.
1818 lpfc_soft_wwpn_show(struct device
*dev
, struct device_attribute
*attr
,
1821 struct Scsi_Host
*shost
= class_to_shost(dev
);
1822 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1823 struct lpfc_hba
*phba
= vport
->phba
;
1825 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
1826 (unsigned long long)phba
->cfg_soft_wwpn
);
1830 * lpfc_soft_wwpn_store - Set the ww port name of the adapter
1831 * @dev class device that is converted into a Scsi_host.
1832 * @attr: device attribute, not used.
1833 * @buf: contains the wwpn in hexadecimal.
1834 * @count: number of wwpn bytes in buf
1837 * -EACCES hba reset not enabled, adapter over temp
1838 * -EINVAL soft wwn not enabled, count is invalid, invalid wwpn byte invalid
1839 * -EIO error taking adapter offline or online
1840 * value of count on success
1843 lpfc_soft_wwpn_store(struct device
*dev
, struct device_attribute
*attr
,
1844 const char *buf
, size_t count
)
1846 struct Scsi_Host
*shost
= class_to_shost(dev
);
1847 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
1848 struct lpfc_hba
*phba
= vport
->phba
;
1849 struct completion online_compl
;
1850 int stat1
=0, stat2
=0;
1851 unsigned int i
, j
, cnt
=count
;
1855 if (!phba
->cfg_enable_hba_reset
)
1857 spin_lock_irq(&phba
->hbalock
);
1858 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
1859 spin_unlock_irq(&phba
->hbalock
);
1862 spin_unlock_irq(&phba
->hbalock
);
1863 /* count may include a LF at end of string */
1864 if (buf
[cnt
-1] == '\n')
1867 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
1868 ((cnt
== 17) && (*buf
++ != 'x')) ||
1869 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
1872 phba
->soft_wwn_enable
= 0;
1874 memset(wwpn
, 0, sizeof(wwpn
));
1876 /* Validate and store the new name */
1877 for (i
=0, j
=0; i
< 16; i
++) {
1880 value
= hex_to_bin(*buf
++);
1882 j
= (j
<< 4) | value
;
1886 wwpn
[i
/2] = j
& 0xff;
1890 phba
->cfg_soft_wwpn
= wwn_to_u64(wwpn
);
1891 fc_host_port_name(shost
) = phba
->cfg_soft_wwpn
;
1892 if (phba
->cfg_soft_wwnn
)
1893 fc_host_node_name(shost
) = phba
->cfg_soft_wwnn
;
1895 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
1896 "lpfc%d: Reinitializing to use soft_wwpn\n", phba
->brd_no
);
1898 stat1
= lpfc_do_offline(phba
, LPFC_EVT_OFFLINE
);
1900 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1901 "0463 lpfc_soft_wwpn attribute set failed to "
1902 "reinit adapter - %d\n", stat1
);
1903 init_completion(&online_compl
);
1904 rc
= lpfc_workq_post_event(phba
, &stat2
, &online_compl
,
1909 wait_for_completion(&online_compl
);
1911 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
1912 "0464 lpfc_soft_wwpn attribute set failed to "
1913 "reinit adapter - %d\n", stat2
);
1914 return (stat1
|| stat2
) ? -EIO
: count
;
1916 static DEVICE_ATTR(lpfc_soft_wwpn
, S_IRUGO
| S_IWUSR
,\
1917 lpfc_soft_wwpn_show
, lpfc_soft_wwpn_store
);
1920 * lpfc_soft_wwnn_show - Return the cfg soft ww node name for the adapter
1921 * @dev: class device that is converted into a Scsi_host.
1922 * @attr: device attribute, not used.
1923 * @buf: on return contains the wwnn in hexadecimal.
1925 * Returns: size of formatted string.
1928 lpfc_soft_wwnn_show(struct device
*dev
, struct device_attribute
*attr
,
1931 struct Scsi_Host
*shost
= class_to_shost(dev
);
1932 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1933 return snprintf(buf
, PAGE_SIZE
, "0x%llx\n",
1934 (unsigned long long)phba
->cfg_soft_wwnn
);
1938 * lpfc_soft_wwnn_store - sets the ww node name of the adapter
1939 * @cdev: class device that is converted into a Scsi_host.
1940 * @buf: contains the ww node name in hexadecimal.
1941 * @count: number of wwnn bytes in buf.
1944 * -EINVAL soft wwn not enabled, count is invalid, invalid wwnn byte invalid
1945 * value of count on success
1948 lpfc_soft_wwnn_store(struct device
*dev
, struct device_attribute
*attr
,
1949 const char *buf
, size_t count
)
1951 struct Scsi_Host
*shost
= class_to_shost(dev
);
1952 struct lpfc_hba
*phba
= ((struct lpfc_vport
*)shost
->hostdata
)->phba
;
1953 unsigned int i
, j
, cnt
=count
;
1956 /* count may include a LF at end of string */
1957 if (buf
[cnt
-1] == '\n')
1960 if (!phba
->soft_wwn_enable
|| (cnt
< 16) || (cnt
> 18) ||
1961 ((cnt
== 17) && (*buf
++ != 'x')) ||
1962 ((cnt
== 18) && ((*buf
++ != '0') || (*buf
++ != 'x'))))
1966 * Allow wwnn to be set many times, as long as the enable is set.
1967 * However, once the wwpn is set, everything locks.
1970 memset(wwnn
, 0, sizeof(wwnn
));
1972 /* Validate and store the new name */
1973 for (i
=0, j
=0; i
< 16; i
++) {
1976 value
= hex_to_bin(*buf
++);
1978 j
= (j
<< 4) | value
;
1982 wwnn
[i
/2] = j
& 0xff;
1986 phba
->cfg_soft_wwnn
= wwn_to_u64(wwnn
);
1988 dev_printk(KERN_NOTICE
, &phba
->pcidev
->dev
,
1989 "lpfc%d: soft_wwnn set. Value will take effect upon "
1990 "setting of the soft_wwpn\n", phba
->brd_no
);
1994 static DEVICE_ATTR(lpfc_soft_wwnn
, S_IRUGO
| S_IWUSR
,\
1995 lpfc_soft_wwnn_show
, lpfc_soft_wwnn_store
);
1998 static int lpfc_poll
= 0;
1999 module_param(lpfc_poll
, int, S_IRUGO
);
2000 MODULE_PARM_DESC(lpfc_poll
, "FCP ring polling mode control:"
2002 " 1 - poll with interrupts enabled"
2003 " 3 - poll and disable FCP ring interrupts");
2005 static DEVICE_ATTR(lpfc_poll
, S_IRUGO
| S_IWUSR
,
2006 lpfc_poll_show
, lpfc_poll_store
);
2008 int lpfc_sli_mode
= 0;
2009 module_param(lpfc_sli_mode
, int, S_IRUGO
);
2010 MODULE_PARM_DESC(lpfc_sli_mode
, "SLI mode selector:"
2011 " 0 - auto (SLI-3 if supported),"
2012 " 2 - select SLI-2 even on SLI-3 capable HBAs,"
2013 " 3 - select SLI-3");
2015 int lpfc_enable_npiv
= 1;
2016 module_param(lpfc_enable_npiv
, int, S_IRUGO
);
2017 MODULE_PARM_DESC(lpfc_enable_npiv
, "Enable NPIV functionality");
2018 lpfc_param_show(enable_npiv
);
2019 lpfc_param_init(enable_npiv
, 1, 0, 1);
2020 static DEVICE_ATTR(lpfc_enable_npiv
, S_IRUGO
, lpfc_enable_npiv_show
, NULL
);
2022 int lpfc_enable_rrq
;
2023 module_param(lpfc_enable_rrq
, int, S_IRUGO
);
2024 MODULE_PARM_DESC(lpfc_enable_rrq
, "Enable RRQ functionality");
2025 lpfc_param_show(enable_rrq
);
2026 lpfc_param_init(enable_rrq
, 0, 0, 1);
2027 static DEVICE_ATTR(lpfc_enable_rrq
, S_IRUGO
, lpfc_enable_rrq_show
, NULL
);
2030 # lpfc_suppress_link_up: Bring link up at initialization
2031 # 0x0 = bring link up (issue MBX_INIT_LINK)
2032 # 0x1 = do NOT bring link up at initialization(MBX_INIT_LINK)
2033 # 0x2 = never bring up link
2034 # Default value is 0.
2036 LPFC_ATTR_R(suppress_link_up
, LPFC_INITIALIZE_LINK
, LPFC_INITIALIZE_LINK
,
2037 LPFC_DELAY_INIT_LINK_INDEFINITELY
,
2038 "Suppress Link Up at initialization");
2040 # lpfc_cnt: Number of IOCBs allocated for ELS, CT, and ABTS
2048 lpfc_iocb_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
2050 struct Scsi_Host
*shost
= class_to_shost(dev
);
2051 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2053 return snprintf(buf
, PAGE_SIZE
, "%d\n", phba
->iocb_max
);
2056 static DEVICE_ATTR(iocb_hw
, S_IRUGO
,
2057 lpfc_iocb_hw_show
, NULL
);
2059 lpfc_txq_hw_show(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
2061 struct Scsi_Host
*shost
= class_to_shost(dev
);
2062 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2064 return snprintf(buf
, PAGE_SIZE
, "%d\n",
2065 phba
->sli
.ring
[LPFC_ELS_RING
].txq_max
);
2068 static DEVICE_ATTR(txq_hw
, S_IRUGO
,
2069 lpfc_txq_hw_show
, NULL
);
2071 lpfc_txcmplq_hw_show(struct device
*dev
, struct device_attribute
*attr
,
2074 struct Scsi_Host
*shost
= class_to_shost(dev
);
2075 struct lpfc_hba
*phba
= ((struct lpfc_vport
*) shost
->hostdata
)->phba
;
2077 return snprintf(buf
, PAGE_SIZE
, "%d\n",
2078 phba
->sli
.ring
[LPFC_ELS_RING
].txcmplq_max
);
2081 static DEVICE_ATTR(txcmplq_hw
, S_IRUGO
,
2082 lpfc_txcmplq_hw_show
, NULL
);
2084 int lpfc_iocb_cnt
= 2;
2085 module_param(lpfc_iocb_cnt
, int, S_IRUGO
);
2086 MODULE_PARM_DESC(lpfc_iocb_cnt
,
2087 "Number of IOCBs alloc for ELS, CT, and ABTS: 1k to 5k IOCBs");
2088 lpfc_param_show(iocb_cnt
);
2089 lpfc_param_init(iocb_cnt
, 2, 1, 5);
2090 static DEVICE_ATTR(lpfc_iocb_cnt
, S_IRUGO
,
2091 lpfc_iocb_cnt_show
, NULL
);
2094 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
2095 # until the timer expires. Value range is [0,255]. Default value is 30.
2097 static int lpfc_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2098 static int lpfc_devloss_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2099 module_param(lpfc_nodev_tmo
, int, 0);
2100 MODULE_PARM_DESC(lpfc_nodev_tmo
,
2101 "Seconds driver will hold I/O waiting "
2102 "for a device to come back");
2105 * lpfc_nodev_tmo_show - Return the hba dev loss timeout value
2106 * @dev: class converted to a Scsi_host structure.
2107 * @attr: device attribute, not used.
2108 * @buf: on return contains the dev loss timeout in decimal.
2110 * Returns: size of formatted string.
2113 lpfc_nodev_tmo_show(struct device
*dev
, struct device_attribute
*attr
,
2116 struct Scsi_Host
*shost
= class_to_shost(dev
);
2117 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2119 return snprintf(buf
, PAGE_SIZE
, "%d\n", vport
->cfg_devloss_tmo
);
2123 * lpfc_nodev_tmo_init - Set the hba nodev timeout value
2124 * @vport: lpfc vport structure pointer.
2125 * @val: contains the nodev timeout value.
2128 * If the devloss tmo is already set then nodev tmo is set to devloss tmo,
2129 * a kernel error message is printed and zero is returned.
2130 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2131 * Otherwise nodev tmo is set to the default value.
2134 * zero if already set or if val is in range
2135 * -EINVAL val out of range
2138 lpfc_nodev_tmo_init(struct lpfc_vport
*vport
, int val
)
2140 if (vport
->cfg_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
) {
2141 vport
->cfg_nodev_tmo
= vport
->cfg_devloss_tmo
;
2142 if (val
!= LPFC_DEF_DEVLOSS_TMO
)
2143 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2144 "0407 Ignoring nodev_tmo module "
2145 "parameter because devloss_tmo is "
2150 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2151 vport
->cfg_nodev_tmo
= val
;
2152 vport
->cfg_devloss_tmo
= val
;
2155 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2156 "0400 lpfc_nodev_tmo attribute cannot be set to"
2157 " %d, allowed range is [%d, %d]\n",
2158 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2159 vport
->cfg_nodev_tmo
= LPFC_DEF_DEVLOSS_TMO
;
2164 * lpfc_update_rport_devloss_tmo - Update dev loss tmo value
2165 * @vport: lpfc vport structure pointer.
2168 * Update all the ndlp's dev loss tmo with the vport devloss tmo value.
2171 lpfc_update_rport_devloss_tmo(struct lpfc_vport
*vport
)
2173 struct Scsi_Host
*shost
;
2174 struct lpfc_nodelist
*ndlp
;
2176 shost
= lpfc_shost_from_vport(vport
);
2177 spin_lock_irq(shost
->host_lock
);
2178 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
)
2179 if (NLP_CHK_NODE_ACT(ndlp
) && ndlp
->rport
)
2180 ndlp
->rport
->dev_loss_tmo
= vport
->cfg_devloss_tmo
;
2181 spin_unlock_irq(shost
->host_lock
);
2185 * lpfc_nodev_tmo_set - Set the vport nodev tmo and devloss tmo values
2186 * @vport: lpfc vport structure pointer.
2187 * @val: contains the tmo value.
2190 * If the devloss tmo is already set or the vport dev loss tmo has changed
2191 * then a kernel error message is printed and zero is returned.
2192 * Else if val is in range then nodev tmo and devloss tmo are set to val.
2193 * Otherwise nodev tmo is set to the default value.
2196 * zero if already set or if val is in range
2197 * -EINVAL val out of range
2200 lpfc_nodev_tmo_set(struct lpfc_vport
*vport
, int val
)
2202 if (vport
->dev_loss_tmo_changed
||
2203 (lpfc_devloss_tmo
!= LPFC_DEF_DEVLOSS_TMO
)) {
2204 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2205 "0401 Ignoring change to nodev_tmo "
2206 "because devloss_tmo is set.\n");
2209 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2210 vport
->cfg_nodev_tmo
= val
;
2211 vport
->cfg_devloss_tmo
= val
;
2213 * For compat: set the fc_host dev loss so new rports
2214 * will get the value.
2216 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
2217 lpfc_update_rport_devloss_tmo(vport
);
2220 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2221 "0403 lpfc_nodev_tmo attribute cannot be set to"
2222 "%d, allowed range is [%d, %d]\n",
2223 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2227 lpfc_vport_param_store(nodev_tmo
)
2229 static DEVICE_ATTR(lpfc_nodev_tmo
, S_IRUGO
| S_IWUSR
,
2230 lpfc_nodev_tmo_show
, lpfc_nodev_tmo_store
);
2233 # lpfc_devloss_tmo: If set, it will hold all I/O errors on devices that
2234 # disappear until the timer expires. Value range is [0,255]. Default
2237 module_param(lpfc_devloss_tmo
, int, S_IRUGO
);
2238 MODULE_PARM_DESC(lpfc_devloss_tmo
,
2239 "Seconds driver will hold I/O waiting "
2240 "for a device to come back");
2241 lpfc_vport_param_init(devloss_tmo
, LPFC_DEF_DEVLOSS_TMO
,
2242 LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
)
2243 lpfc_vport_param_show(devloss_tmo
)
2246 * lpfc_devloss_tmo_set - Sets vport nodev tmo, devloss tmo values, changed bit
2247 * @vport: lpfc vport structure pointer.
2248 * @val: contains the tmo value.
2251 * If val is in a valid range then set the vport nodev tmo,
2252 * devloss tmo, also set the vport dev loss tmo changed flag.
2253 * Else a kernel error message is printed.
2256 * zero if val is in range
2257 * -EINVAL val out of range
2260 lpfc_devloss_tmo_set(struct lpfc_vport
*vport
, int val
)
2262 if (val
>= LPFC_MIN_DEVLOSS_TMO
&& val
<= LPFC_MAX_DEVLOSS_TMO
) {
2263 vport
->cfg_nodev_tmo
= val
;
2264 vport
->cfg_devloss_tmo
= val
;
2265 vport
->dev_loss_tmo_changed
= 1;
2266 fc_host_dev_loss_tmo(lpfc_shost_from_vport(vport
)) = val
;
2267 lpfc_update_rport_devloss_tmo(vport
);
2271 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2272 "0404 lpfc_devloss_tmo attribute cannot be set to"
2273 " %d, allowed range is [%d, %d]\n",
2274 val
, LPFC_MIN_DEVLOSS_TMO
, LPFC_MAX_DEVLOSS_TMO
);
2278 lpfc_vport_param_store(devloss_tmo
)
2279 static DEVICE_ATTR(lpfc_devloss_tmo
, S_IRUGO
| S_IWUSR
,
2280 lpfc_devloss_tmo_show
, lpfc_devloss_tmo_store
);
2283 # lpfc_log_verbose: Only turn this flag on if you are willing to risk being
2284 # deluged with LOTS of information.
2285 # You can set a bit mask to record specific types of verbose messages:
2286 # See lpfc_logmsh.h for definitions.
2288 LPFC_VPORT_ATTR_HEX_RW(log_verbose
, 0x0, 0x0, 0xffffffff,
2289 "Verbose logging bit-mask");
2292 # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters
2293 # objects that have been registered with the nameserver after login.
2295 LPFC_VPORT_ATTR_R(enable_da_id
, 0, 0, 1,
2296 "Deregister nameserver objects before LOGO");
2299 # lun_queue_depth: This parameter is used to limit the number of outstanding
2300 # commands per FCP LUN. Value range is [1,128]. Default value is 30.
2302 LPFC_VPORT_ATTR_R(lun_queue_depth
, 30, 1, 128,
2303 "Max number of FCP commands we can queue to a specific LUN");
2306 # tgt_queue_depth: This parameter is used to limit the number of outstanding
2307 # commands per target port. Value range is [10,65535]. Default value is 65535.
2309 LPFC_VPORT_ATTR_R(tgt_queue_depth
, 65535, 10, 65535,
2310 "Max number of FCP commands we can queue to a specific target port");
2313 # hba_queue_depth: This parameter is used to limit the number of outstanding
2314 # commands per lpfc HBA. Value range is [32,8192]. If this parameter
2315 # value is greater than the maximum number of exchanges supported by the HBA,
2316 # then maximum number of exchanges supported by the HBA is used to determine
2317 # the hba_queue_depth.
2319 LPFC_ATTR_R(hba_queue_depth
, 8192, 32, 8192,
2320 "Max number of FCP commands we can queue to a lpfc HBA");
2323 # peer_port_login: This parameter allows/prevents logins
2324 # between peer ports hosted on the same physical port.
2325 # When this parameter is set 0 peer ports of same physical port
2326 # are not allowed to login to each other.
2327 # When this parameter is set 1 peer ports of same physical port
2328 # are allowed to login to each other.
2329 # Default value of this parameter is 0.
2331 LPFC_VPORT_ATTR_R(peer_port_login
, 0, 0, 1,
2332 "Allow peer ports on the same physical port to login to each "
2336 # restrict_login: This parameter allows/prevents logins
2337 # between Virtual Ports and remote initiators.
2338 # When this parameter is not set (0) Virtual Ports will accept PLOGIs from
2339 # other initiators and will attempt to PLOGI all remote ports.
2340 # When this parameter is set (1) Virtual Ports will reject PLOGIs from
2341 # remote ports and will not attempt to PLOGI to other initiators.
2342 # This parameter does not restrict to the physical port.
2343 # This parameter does not restrict logins to Fabric resident remote ports.
2344 # Default value of this parameter is 1.
2346 static int lpfc_restrict_login
= 1;
2347 module_param(lpfc_restrict_login
, int, S_IRUGO
);
2348 MODULE_PARM_DESC(lpfc_restrict_login
,
2349 "Restrict virtual ports login to remote initiators.");
2350 lpfc_vport_param_show(restrict_login
);
2353 * lpfc_restrict_login_init - Set the vport restrict login flag
2354 * @vport: lpfc vport structure pointer.
2355 * @val: contains the restrict login value.
2358 * If val is not in a valid range then log a kernel error message and set
2359 * the vport restrict login to one.
2360 * If the port type is physical clear the restrict login flag and return.
2361 * Else set the restrict login flag to val.
2364 * zero if val is in range
2365 * -EINVAL val out of range
2368 lpfc_restrict_login_init(struct lpfc_vport
*vport
, int val
)
2370 if (val
< 0 || val
> 1) {
2371 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2372 "0422 lpfc_restrict_login attribute cannot "
2373 "be set to %d, allowed range is [0, 1]\n",
2375 vport
->cfg_restrict_login
= 1;
2378 if (vport
->port_type
== LPFC_PHYSICAL_PORT
) {
2379 vport
->cfg_restrict_login
= 0;
2382 vport
->cfg_restrict_login
= val
;
2387 * lpfc_restrict_login_set - Set the vport restrict login flag
2388 * @vport: lpfc vport structure pointer.
2389 * @val: contains the restrict login value.
2392 * If val is not in a valid range then log a kernel error message and set
2393 * the vport restrict login to one.
2394 * If the port type is physical and the val is not zero log a kernel
2395 * error message, clear the restrict login flag and return zero.
2396 * Else set the restrict login flag to val.
2399 * zero if val is in range
2400 * -EINVAL val out of range
2403 lpfc_restrict_login_set(struct lpfc_vport
*vport
, int val
)
2405 if (val
< 0 || val
> 1) {
2406 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2407 "0425 lpfc_restrict_login attribute cannot "
2408 "be set to %d, allowed range is [0, 1]\n",
2410 vport
->cfg_restrict_login
= 1;
2413 if (vport
->port_type
== LPFC_PHYSICAL_PORT
&& val
!= 0) {
2414 lpfc_printf_vlog(vport
, KERN_ERR
, LOG_INIT
,
2415 "0468 lpfc_restrict_login must be 0 for "
2416 "Physical ports.\n");
2417 vport
->cfg_restrict_login
= 0;
2420 vport
->cfg_restrict_login
= val
;
2423 lpfc_vport_param_store(restrict_login
);
2424 static DEVICE_ATTR(lpfc_restrict_login
, S_IRUGO
| S_IWUSR
,
2425 lpfc_restrict_login_show
, lpfc_restrict_login_store
);
2428 # Some disk devices have a "select ID" or "select Target" capability.
2429 # From a protocol standpoint "select ID" usually means select the
2430 # Fibre channel "ALPA". In the FC-AL Profile there is an "informative
2431 # annex" which contains a table that maps a "select ID" (a number
2432 # between 0 and 7F) to an ALPA. By default, for compatibility with
2433 # older drivers, the lpfc driver scans this table from low ALPA to high
2436 # Turning on the scan-down variable (on = 1, off = 0) will
2437 # cause the lpfc driver to use an inverted table, effectively
2438 # scanning ALPAs from high to low. Value range is [0,1]. Default value is 1.
2440 # (Note: This "select ID" functionality is a LOOP ONLY characteristic
2441 # and will not work across a fabric. Also this parameter will take
2442 # effect only in the case when ALPA map is not available.)
2444 LPFC_VPORT_ATTR_R(scan_down
, 1, 0, 1,
2445 "Start scanning for devices from highest ALPA to lowest");
2448 # lpfc_topology: link topology for init link
2449 # 0x0 = attempt loop mode then point-to-point
2450 # 0x01 = internal loopback mode
2451 # 0x02 = attempt point-to-point mode only
2452 # 0x04 = attempt loop mode only
2453 # 0x06 = attempt point-to-point mode then loop
2454 # Set point-to-point mode if you want to run as an N_Port.
2455 # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6].
2456 # Default value is 0.
2460 * lpfc_topology_set - Set the adapters topology field
2461 * @phba: lpfc_hba pointer.
2462 * @val: topology value.
2465 * If val is in a valid range then set the adapter's topology field and
2466 * issue a lip; if the lip fails reset the topology to the old value.
2468 * If the value is not in range log a kernel error message and return an error.
2471 * zero if val is in range and lip okay
2472 * non-zero return value from lpfc_issue_lip()
2473 * -EINVAL val out of range
2476 lpfc_topology_store(struct device
*dev
, struct device_attribute
*attr
,
2477 const char *buf
, size_t count
)
2479 struct Scsi_Host
*shost
= class_to_shost(dev
);
2480 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2481 struct lpfc_hba
*phba
= vport
->phba
;
2484 const char *val_buf
= buf
;
2488 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
2490 val_buf
= &buf
[strlen("nolip ")];
2493 if (!isdigit(val_buf
[0]))
2495 if (sscanf(val_buf
, "%i", &val
) != 1)
2498 if (val
>= 0 && val
<= 6) {
2499 prev_val
= phba
->cfg_topology
;
2500 phba
->cfg_topology
= val
;
2504 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
2506 phba
->cfg_topology
= prev_val
;
2511 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2512 "%d:0467 lpfc_topology attribute cannot be set to %d, "
2513 "allowed range is [0, 6]\n",
2517 static int lpfc_topology
= 0;
2518 module_param(lpfc_topology
, int, S_IRUGO
);
2519 MODULE_PARM_DESC(lpfc_topology
, "Select Fibre Channel topology");
2520 lpfc_param_show(topology
)
2521 lpfc_param_init(topology
, 0, 0, 6)
2522 static DEVICE_ATTR(lpfc_topology
, S_IRUGO
| S_IWUSR
,
2523 lpfc_topology_show
, lpfc_topology_store
);
2526 * lpfc_static_vport_show: Read callback function for
2527 * lpfc_static_vport sysfs file.
2528 * @dev: Pointer to class device object.
2529 * @attr: device attribute structure.
2530 * @buf: Data buffer.
2532 * This function is the read call back function for
2533 * lpfc_static_vport sysfs file. The lpfc_static_vport
2534 * sysfs file report the mageability of the vport.
2537 lpfc_static_vport_show(struct device
*dev
, struct device_attribute
*attr
,
2540 struct Scsi_Host
*shost
= class_to_shost(dev
);
2541 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2542 if (vport
->vport_flag
& STATIC_VPORT
)
2543 sprintf(buf
, "1\n");
2545 sprintf(buf
, "0\n");
2551 * Sysfs attribute to control the statistical data collection.
2553 static DEVICE_ATTR(lpfc_static_vport
, S_IRUGO
,
2554 lpfc_static_vport_show
, NULL
);
2557 * lpfc_stat_data_ctrl_store - write call back for lpfc_stat_data_ctrl sysfs file
2558 * @dev: Pointer to class device.
2559 * @buf: Data buffer.
2560 * @count: Size of the data buffer.
2562 * This function get called when an user write to the lpfc_stat_data_ctrl
2563 * sysfs file. This function parse the command written to the sysfs file
2564 * and take appropriate action. These commands are used for controlling
2565 * driver statistical data collection.
2566 * Following are the command this function handles.
2568 * setbucket <bucket_type> <base> <step>
2569 * = Set the latency buckets.
2570 * destroybucket = destroy all the buckets.
2571 * start = start data collection
2572 * stop = stop data collection
2573 * reset = reset the collected data
2576 lpfc_stat_data_ctrl_store(struct device
*dev
, struct device_attribute
*attr
,
2577 const char *buf
, size_t count
)
2579 struct Scsi_Host
*shost
= class_to_shost(dev
);
2580 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2581 struct lpfc_hba
*phba
= vport
->phba
;
2582 #define LPFC_MAX_DATA_CTRL_LEN 1024
2583 static char bucket_data
[LPFC_MAX_DATA_CTRL_LEN
];
2585 char *str_ptr
, *token
;
2586 struct lpfc_vport
**vports
;
2587 struct Scsi_Host
*v_shost
;
2588 char *bucket_type_str
, *base_str
, *step_str
;
2589 unsigned long base
, step
, bucket_type
;
2591 if (!strncmp(buf
, "setbucket", strlen("setbucket"))) {
2592 if (strlen(buf
) > (LPFC_MAX_DATA_CTRL_LEN
- 1))
2595 strcpy(bucket_data
, buf
);
2596 str_ptr
= &bucket_data
[0];
2597 /* Ignore this token - this is command token */
2598 token
= strsep(&str_ptr
, "\t ");
2602 bucket_type_str
= strsep(&str_ptr
, "\t ");
2603 if (!bucket_type_str
)
2606 if (!strncmp(bucket_type_str
, "linear", strlen("linear")))
2607 bucket_type
= LPFC_LINEAR_BUCKET
;
2608 else if (!strncmp(bucket_type_str
, "power2", strlen("power2")))
2609 bucket_type
= LPFC_POWER2_BUCKET
;
2613 base_str
= strsep(&str_ptr
, "\t ");
2616 base
= simple_strtoul(base_str
, NULL
, 0);
2618 step_str
= strsep(&str_ptr
, "\t ");
2621 step
= simple_strtoul(step_str
, NULL
, 0);
2625 /* Block the data collection for every vport */
2626 vports
= lpfc_create_vport_work_array(phba
);
2630 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2631 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2632 spin_lock_irq(v_shost
->host_lock
);
2633 /* Block and reset data collection */
2634 vports
[i
]->stat_data_blocked
= 1;
2635 if (vports
[i
]->stat_data_enabled
)
2636 lpfc_vport_reset_stat_data(vports
[i
]);
2637 spin_unlock_irq(v_shost
->host_lock
);
2640 /* Set the bucket attributes */
2641 phba
->bucket_type
= bucket_type
;
2642 phba
->bucket_base
= base
;
2643 phba
->bucket_step
= step
;
2645 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2646 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2648 /* Unblock data collection */
2649 spin_lock_irq(v_shost
->host_lock
);
2650 vports
[i
]->stat_data_blocked
= 0;
2651 spin_unlock_irq(v_shost
->host_lock
);
2653 lpfc_destroy_vport_work_array(phba
, vports
);
2657 if (!strncmp(buf
, "destroybucket", strlen("destroybucket"))) {
2658 vports
= lpfc_create_vport_work_array(phba
);
2662 for (i
= 0; i
<= phba
->max_vports
&& vports
[i
] != NULL
; i
++) {
2663 v_shost
= lpfc_shost_from_vport(vports
[i
]);
2664 spin_lock_irq(shost
->host_lock
);
2665 vports
[i
]->stat_data_blocked
= 1;
2666 lpfc_free_bucket(vport
);
2667 vport
->stat_data_enabled
= 0;
2668 vports
[i
]->stat_data_blocked
= 0;
2669 spin_unlock_irq(shost
->host_lock
);
2671 lpfc_destroy_vport_work_array(phba
, vports
);
2672 phba
->bucket_type
= LPFC_NO_BUCKET
;
2673 phba
->bucket_base
= 0;
2674 phba
->bucket_step
= 0;
2678 if (!strncmp(buf
, "start", strlen("start"))) {
2679 /* If no buckets configured return error */
2680 if (phba
->bucket_type
== LPFC_NO_BUCKET
)
2682 spin_lock_irq(shost
->host_lock
);
2683 if (vport
->stat_data_enabled
) {
2684 spin_unlock_irq(shost
->host_lock
);
2687 lpfc_alloc_bucket(vport
);
2688 vport
->stat_data_enabled
= 1;
2689 spin_unlock_irq(shost
->host_lock
);
2693 if (!strncmp(buf
, "stop", strlen("stop"))) {
2694 spin_lock_irq(shost
->host_lock
);
2695 if (vport
->stat_data_enabled
== 0) {
2696 spin_unlock_irq(shost
->host_lock
);
2699 lpfc_free_bucket(vport
);
2700 vport
->stat_data_enabled
= 0;
2701 spin_unlock_irq(shost
->host_lock
);
2705 if (!strncmp(buf
, "reset", strlen("reset"))) {
2706 if ((phba
->bucket_type
== LPFC_NO_BUCKET
)
2707 || !vport
->stat_data_enabled
)
2709 spin_lock_irq(shost
->host_lock
);
2710 vport
->stat_data_blocked
= 1;
2711 lpfc_vport_reset_stat_data(vport
);
2712 vport
->stat_data_blocked
= 0;
2713 spin_unlock_irq(shost
->host_lock
);
2721 * lpfc_stat_data_ctrl_show - Read function for lpfc_stat_data_ctrl sysfs file
2722 * @dev: Pointer to class device object.
2723 * @buf: Data buffer.
2725 * This function is the read call back function for
2726 * lpfc_stat_data_ctrl sysfs file. This function report the
2727 * current statistical data collection state.
2730 lpfc_stat_data_ctrl_show(struct device
*dev
, struct device_attribute
*attr
,
2733 struct Scsi_Host
*shost
= class_to_shost(dev
);
2734 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2735 struct lpfc_hba
*phba
= vport
->phba
;
2739 unsigned long bucket_value
;
2741 switch (phba
->bucket_type
) {
2742 case LPFC_LINEAR_BUCKET
:
2743 bucket_type
= "linear";
2745 case LPFC_POWER2_BUCKET
:
2746 bucket_type
= "power2";
2749 bucket_type
= "No Bucket";
2753 sprintf(&buf
[index
], "Statistical Data enabled :%d, "
2754 "blocked :%d, Bucket type :%s, Bucket base :%d,"
2755 " Bucket step :%d\nLatency Ranges :",
2756 vport
->stat_data_enabled
, vport
->stat_data_blocked
,
2757 bucket_type
, phba
->bucket_base
, phba
->bucket_step
);
2758 index
= strlen(buf
);
2759 if (phba
->bucket_type
!= LPFC_NO_BUCKET
) {
2760 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
2761 if (phba
->bucket_type
== LPFC_LINEAR_BUCKET
)
2762 bucket_value
= phba
->bucket_base
+
2763 phba
->bucket_step
* i
;
2765 bucket_value
= phba
->bucket_base
+
2766 (1 << i
) * phba
->bucket_step
;
2768 if (index
+ 10 > PAGE_SIZE
)
2770 sprintf(&buf
[index
], "%08ld ", bucket_value
);
2771 index
= strlen(buf
);
2774 sprintf(&buf
[index
], "\n");
2779 * Sysfs attribute to control the statistical data collection.
2781 static DEVICE_ATTR(lpfc_stat_data_ctrl
, S_IRUGO
| S_IWUSR
,
2782 lpfc_stat_data_ctrl_show
, lpfc_stat_data_ctrl_store
);
2785 * lpfc_drvr_stat_data: sysfs attr to get driver statistical data.
2789 * Each Bucket takes 11 characters and 1 new line + 17 bytes WWN
2792 #define STAT_DATA_SIZE_PER_TARGET(NUM_BUCKETS) ((NUM_BUCKETS) * 11 + 18)
2793 #define MAX_STAT_DATA_SIZE_PER_TARGET \
2794 STAT_DATA_SIZE_PER_TARGET(LPFC_MAX_BUCKET_COUNT)
2798 * sysfs_drvr_stat_data_read - Read function for lpfc_drvr_stat_data attribute
2800 * @kobj: Pointer to the kernel object
2801 * @bin_attr: Attribute object
2802 * @buff: Buffer pointer
2804 * @count: Buffer size
2806 * This function is the read call back function for lpfc_drvr_stat_data
2807 * sysfs file. This function export the statistical data to user
2811 sysfs_drvr_stat_data_read(struct file
*filp
, struct kobject
*kobj
,
2812 struct bin_attribute
*bin_attr
,
2813 char *buf
, loff_t off
, size_t count
)
2815 struct device
*dev
= container_of(kobj
, struct device
,
2817 struct Scsi_Host
*shost
= class_to_shost(dev
);
2818 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2819 struct lpfc_hba
*phba
= vport
->phba
;
2820 int i
= 0, index
= 0;
2821 unsigned long nport_index
;
2822 struct lpfc_nodelist
*ndlp
= NULL
;
2823 nport_index
= (unsigned long)off
/
2824 MAX_STAT_DATA_SIZE_PER_TARGET
;
2826 if (!vport
->stat_data_enabled
|| vport
->stat_data_blocked
2827 || (phba
->bucket_type
== LPFC_NO_BUCKET
))
2830 spin_lock_irq(shost
->host_lock
);
2831 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
2832 if (!NLP_CHK_NODE_ACT(ndlp
) || !ndlp
->lat_data
)
2835 if (nport_index
> 0) {
2840 if ((index
+ MAX_STAT_DATA_SIZE_PER_TARGET
)
2844 if (!ndlp
->lat_data
)
2848 sprintf(&buf
[index
], "%02x%02x%02x%02x%02x%02x%02x%02x:",
2849 ndlp
->nlp_portname
.u
.wwn
[0],
2850 ndlp
->nlp_portname
.u
.wwn
[1],
2851 ndlp
->nlp_portname
.u
.wwn
[2],
2852 ndlp
->nlp_portname
.u
.wwn
[3],
2853 ndlp
->nlp_portname
.u
.wwn
[4],
2854 ndlp
->nlp_portname
.u
.wwn
[5],
2855 ndlp
->nlp_portname
.u
.wwn
[6],
2856 ndlp
->nlp_portname
.u
.wwn
[7]);
2858 index
= strlen(buf
);
2860 for (i
= 0; i
< LPFC_MAX_BUCKET_COUNT
; i
++) {
2861 sprintf(&buf
[index
], "%010u,",
2862 ndlp
->lat_data
[i
].cmd_count
);
2863 index
= strlen(buf
);
2865 sprintf(&buf
[index
], "\n");
2866 index
= strlen(buf
);
2868 spin_unlock_irq(shost
->host_lock
);
2872 static struct bin_attribute sysfs_drvr_stat_data_attr
= {
2874 .name
= "lpfc_drvr_stat_data",
2877 .size
= LPFC_MAX_TARGET
* MAX_STAT_DATA_SIZE_PER_TARGET
,
2878 .read
= sysfs_drvr_stat_data_read
,
2883 # lpfc_link_speed: Link speed selection for initializing the Fibre Channel
2885 # Value range is [0,16]. Default value is 0.
2888 * lpfc_link_speed_set - Set the adapters link speed
2889 * @phba: lpfc_hba pointer.
2890 * @val: link speed value.
2893 * If val is in a valid range then set the adapter's link speed field and
2894 * issue a lip; if the lip fails reset the link speed to the old value.
2897 * If the value is not in range log a kernel error message and return an error.
2900 * zero if val is in range and lip okay.
2901 * non-zero return value from lpfc_issue_lip()
2902 * -EINVAL val out of range
2905 lpfc_link_speed_store(struct device
*dev
, struct device_attribute
*attr
,
2906 const char *buf
, size_t count
)
2908 struct Scsi_Host
*shost
= class_to_shost(dev
);
2909 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
2910 struct lpfc_hba
*phba
= vport
->phba
;
2911 int val
= LPFC_USER_LINK_SPEED_AUTO
;
2913 const char *val_buf
= buf
;
2917 if (!strncmp(buf
, "nolip ", strlen("nolip "))) {
2919 val_buf
= &buf
[strlen("nolip ")];
2922 if (!isdigit(val_buf
[0]))
2924 if (sscanf(val_buf
, "%i", &val
) != 1)
2927 if (((val
== LPFC_USER_LINK_SPEED_1G
) && !(phba
->lmt
& LMT_1Gb
)) ||
2928 ((val
== LPFC_USER_LINK_SPEED_2G
) && !(phba
->lmt
& LMT_2Gb
)) ||
2929 ((val
== LPFC_USER_LINK_SPEED_4G
) && !(phba
->lmt
& LMT_4Gb
)) ||
2930 ((val
== LPFC_USER_LINK_SPEED_8G
) && !(phba
->lmt
& LMT_8Gb
)) ||
2931 ((val
== LPFC_USER_LINK_SPEED_10G
) && !(phba
->lmt
& LMT_10Gb
)) ||
2932 ((val
== LPFC_USER_LINK_SPEED_16G
) && !(phba
->lmt
& LMT_16Gb
))) {
2933 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2934 "2879 lpfc_link_speed attribute cannot be set "
2935 "to %d. Speed is not supported by this port.\n",
2939 if ((val
>= 0) && (val
<= LPFC_USER_LINK_SPEED_MAX
) &&
2940 (LPFC_USER_LINK_SPEED_BITMAP
& (1 << val
))) {
2941 prev_val
= phba
->cfg_link_speed
;
2942 phba
->cfg_link_speed
= val
;
2946 err
= lpfc_issue_lip(lpfc_shost_from_vport(phba
->pport
));
2948 phba
->cfg_link_speed
= prev_val
;
2953 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2954 "0469 lpfc_link_speed attribute cannot be set to %d, "
2955 "allowed values are ["LPFC_LINK_SPEED_STRING
"]\n", val
);
2959 static int lpfc_link_speed
= 0;
2960 module_param(lpfc_link_speed
, int, S_IRUGO
);
2961 MODULE_PARM_DESC(lpfc_link_speed
, "Select link speed");
2962 lpfc_param_show(link_speed
)
2965 * lpfc_link_speed_init - Set the adapters link speed
2966 * @phba: lpfc_hba pointer.
2967 * @val: link speed value.
2970 * If val is in a valid range then set the adapter's link speed field.
2973 * If the value is not in range log a kernel error message, clear the link
2974 * speed and return an error.
2977 * zero if val saved.
2978 * -EINVAL val out of range
2981 lpfc_link_speed_init(struct lpfc_hba
*phba
, int val
)
2983 if ((val
>= 0) && (val
<= LPFC_USER_LINK_SPEED_MAX
) &&
2984 (LPFC_USER_LINK_SPEED_BITMAP
& (1 << val
))) {
2985 phba
->cfg_link_speed
= val
;
2988 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
2989 "0405 lpfc_link_speed attribute cannot "
2990 "be set to %d, allowed values are "
2991 "["LPFC_LINK_SPEED_STRING
"]\n", val
);
2992 phba
->cfg_link_speed
= LPFC_USER_LINK_SPEED_AUTO
;
2996 static DEVICE_ATTR(lpfc_link_speed
, S_IRUGO
| S_IWUSR
,
2997 lpfc_link_speed_show
, lpfc_link_speed_store
);
3000 # lpfc_aer_support: Support PCIe device Advanced Error Reporting (AER)
3001 # 0 = aer disabled or not supported
3002 # 1 = aer supported and enabled (default)
3003 # Value range is [0,1]. Default value is 1.
3007 * lpfc_aer_support_store - Set the adapter for aer support
3009 * @dev: class device that is converted into a Scsi_host.
3010 * @attr: device attribute, not used.
3011 * @buf: containing the string "selective".
3012 * @count: unused variable.
3015 * If the val is 1 and currently the device's AER capability was not
3016 * enabled, invoke the kernel's enable AER helper routine, trying to
3017 * enable the device's AER capability. If the helper routine enabling
3018 * AER returns success, update the device's cfg_aer_support flag to
3019 * indicate AER is supported by the device; otherwise, if the device
3020 * AER capability is already enabled to support AER, then do nothing.
3022 * If the val is 0 and currently the device's AER support was enabled,
3023 * invoke the kernel's disable AER helper routine. After that, update
3024 * the device's cfg_aer_support flag to indicate AER is not supported
3025 * by the device; otherwise, if the device AER capability is already
3026 * disabled from supporting AER, then do nothing.
3029 * length of the buf on success if val is in range the intended mode
3031 * -EINVAL if val out of range or intended mode is not supported.
3034 lpfc_aer_support_store(struct device
*dev
, struct device_attribute
*attr
,
3035 const char *buf
, size_t count
)
3037 struct Scsi_Host
*shost
= class_to_shost(dev
);
3038 struct lpfc_vport
*vport
= (struct lpfc_vport
*)shost
->hostdata
;
3039 struct lpfc_hba
*phba
= vport
->phba
;
3040 int val
= 0, rc
= -EINVAL
;
3042 if (!isdigit(buf
[0]))
3044 if (sscanf(buf
, "%i", &val
) != 1)
3049 if (phba
->hba_flag
& HBA_AER_ENABLED
) {
3050 rc
= pci_disable_pcie_error_reporting(phba
->pcidev
);
3052 spin_lock_irq(&phba
->hbalock
);
3053 phba
->hba_flag
&= ~HBA_AER_ENABLED
;
3054 spin_unlock_irq(&phba
->hbalock
);
3055 phba
->cfg_aer_support
= 0;
3060 phba
->cfg_aer_support
= 0;
3065 if (!(phba
->hba_flag
& HBA_AER_ENABLED
)) {
3066 rc
= pci_enable_pcie_error_reporting(phba
->pcidev
);
3068 spin_lock_irq(&phba
->hbalock
);
3069 phba
->hba_flag
|= HBA_AER_ENABLED
;
3070 spin_unlock_irq(&phba
->hbalock
);
3071 phba
->cfg_aer_support
= 1;
3076 phba
->cfg_aer_support
= 1;
3087 static int lpfc_aer_support
= 1;
3088 module_param(lpfc_aer_support
, int, S_IRUGO
);
3089 MODULE_PARM_DESC(lpfc_aer_support
, "Enable PCIe device AER support");
3090 lpfc_param_show(aer_support
)
3093 * lpfc_aer_support_init - Set the initial adapters aer support flag
3094 * @phba: lpfc_hba pointer.
3095 * @val: link speed value.
3098 * If val is in a valid range [0,1], then set the adapter's initial
3099 * cfg_aer_support field. It will be up to the driver's probe_one
3100 * routine to determine whether the device's AER support can be set
3104 * If the value is not in range log a kernel error message, and
3105 * choose the default value of setting AER support and return.
3108 * zero if val saved.
3109 * -EINVAL val out of range
3112 lpfc_aer_support_init(struct lpfc_hba
*phba
, int val
)
3114 if (val
== 0 || val
== 1) {
3115 phba
->cfg_aer_support
= val
;
3118 lpfc_printf_log(phba
, KERN_ERR
, LOG_INIT
,
3119 "2712 lpfc_aer_support attribute value %d out "
3120 "of range, allowed values are 0|1, setting it "
3121 "to default value of 1\n", val
);
3122 /* By default, try to enable AER on a device */
3123 phba
->cfg_aer_support
= 1;
3127 static DEVICE_ATTR(lpfc_aer_support
, S_IRUGO
| S_IWUSR
,
3128 lpfc_aer_support_show
, lpfc_aer_support_store
);
3131 * lpfc_aer_cleanup_state - Clean up aer state to the aer enabled device
3132 * @dev: class device that is converted into a Scsi_host.
3133 * @attr: device attribute, not used.
3134 * @buf: containing the string "selective".
3135 * @count: unused variable.
3138 * If the @buf contains 1 and the device currently has the AER support
3139 * enabled, then invokes the kernel AER helper routine
3140 * pci_cleanup_aer_uncorrect_error_status to clean up the uncorrectable
3141 * error status register.
3146 * -EINVAL if the buf does not contain the 1 or the device is not currently
3147 * enabled with the AER support.
3150 lpfc_aer_cleanup_state(struct device
*dev
, struct device_attribute
*attr
,
3151 const char *buf
, size_t count
)
3153 struct Scsi_Host
*shost
= class_to_shost(dev
);
3154 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3155 struct lpfc_hba
*phba
= vport
->phba
;
3158 if (!isdigit(buf
[0]))
3160 if (sscanf(buf
, "%i", &val
) != 1)
3165 if (phba
->hba_flag
& HBA_AER_ENABLED
)
3166 rc
= pci_cleanup_aer_uncorrect_error_status(phba
->pcidev
);
3174 static DEVICE_ATTR(lpfc_aer_state_cleanup
, S_IWUSR
, NULL
,
3175 lpfc_aer_cleanup_state
);
3178 # lpfc_fcp_class: Determines FC class to use for the FCP protocol.
3179 # Value range is [2,3]. Default value is 3.
3181 LPFC_VPORT_ATTR_R(fcp_class
, 3, 2, 3,
3182 "Select Fibre Channel class of service for FCP sequences");
3185 # lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
3186 # is [0,1]. Default value is 0.
3188 LPFC_VPORT_ATTR_RW(use_adisc
, 0, 0, 1,
3189 "Use ADISC on rediscovery to authenticate FCP devices");
3192 # lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue
3193 # depth. Default value is 0. When the value of this parameter is zero the
3194 # SCSI command completion time is not used for controlling I/O queue depth. When
3195 # the parameter is set to a non-zero value, the I/O queue depth is controlled
3196 # to limit the I/O completion time to the parameter value.
3197 # The value is set in milliseconds.
3199 static int lpfc_max_scsicmpl_time
;
3200 module_param(lpfc_max_scsicmpl_time
, int, S_IRUGO
);
3201 MODULE_PARM_DESC(lpfc_max_scsicmpl_time
,
3202 "Use command completion time to control queue depth");
3203 lpfc_vport_param_show(max_scsicmpl_time
);
3204 lpfc_vport_param_init(max_scsicmpl_time
, 0, 0, 60000);
3206 lpfc_max_scsicmpl_time_set(struct lpfc_vport
*vport
, int val
)
3208 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3209 struct lpfc_nodelist
*ndlp
, *next_ndlp
;
3211 if (val
== vport
->cfg_max_scsicmpl_time
)
3213 if ((val
< 0) || (val
> 60000))
3215 vport
->cfg_max_scsicmpl_time
= val
;
3217 spin_lock_irq(shost
->host_lock
);
3218 list_for_each_entry_safe(ndlp
, next_ndlp
, &vport
->fc_nodes
, nlp_listp
) {
3219 if (!NLP_CHK_NODE_ACT(ndlp
))
3221 if (ndlp
->nlp_state
== NLP_STE_UNUSED_NODE
)
3223 ndlp
->cmd_qdepth
= vport
->cfg_tgt_queue_depth
;
3225 spin_unlock_irq(shost
->host_lock
);
3228 lpfc_vport_param_store(max_scsicmpl_time
);
3229 static DEVICE_ATTR(lpfc_max_scsicmpl_time
, S_IRUGO
| S_IWUSR
,
3230 lpfc_max_scsicmpl_time_show
,
3231 lpfc_max_scsicmpl_time_store
);
3234 # lpfc_ack0: Use ACK0, instead of ACK1 for class 2 acknowledgement. Value
3235 # range is [0,1]. Default value is 0.
3237 LPFC_ATTR_R(ack0
, 0, 0, 1, "Enable ACK0 support");
3240 # lpfc_cr_delay & lpfc_cr_count: Default values for I/O colaesing
3241 # cr_delay (msec) or cr_count outstanding commands. cr_delay can take
3242 # value [0,63]. cr_count can take value [1,255]. Default value of cr_delay
3243 # is 0. Default value of cr_count is 1. The cr_count feature is disabled if
3244 # cr_delay is set to 0.
3246 LPFC_ATTR_RW(cr_delay
, 0, 0, 63, "A count of milliseconds after which an "
3247 "interrupt response is generated");
3249 LPFC_ATTR_RW(cr_count
, 1, 1, 255, "A count of I/O completions after which an "
3250 "interrupt response is generated");
3253 # lpfc_multi_ring_support: Determines how many rings to spread available
3254 # cmd/rsp IOCB entries across.
3255 # Value range is [1,2]. Default value is 1.
3257 LPFC_ATTR_R(multi_ring_support
, 1, 1, 2, "Determines number of primary "
3258 "SLI rings to spread IOCB entries across");
3261 # lpfc_multi_ring_rctl: If lpfc_multi_ring_support is enabled, this
3262 # identifies what rctl value to configure the additional ring for.
3263 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
3265 LPFC_ATTR_R(multi_ring_rctl
, FC_RCTL_DD_UNSOL_DATA
, 1,
3266 255, "Identifies RCTL for additional ring configuration");
3269 # lpfc_multi_ring_type: If lpfc_multi_ring_support is enabled, this
3270 # identifies what type value to configure the additional ring for.
3271 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
3273 LPFC_ATTR_R(multi_ring_type
, FC_TYPE_IP
, 1,
3274 255, "Identifies TYPE for additional ring configuration");
3277 # lpfc_fdmi_on: controls FDMI support.
3278 # 0 = no FDMI support
3279 # 1 = support FDMI without attribute of hostname
3280 # 2 = support FDMI with attribute of hostname
3281 # Value range [0,2]. Default value is 0.
3283 LPFC_VPORT_ATTR_RW(fdmi_on
, 0, 0, 2, "Enable FDMI support");
3286 # Specifies the maximum number of ELS cmds we can have outstanding (for
3287 # discovery). Value range is [1,64]. Default value = 32.
3289 LPFC_VPORT_ATTR(discovery_threads
, 32, 1, 64, "Maximum number of ELS commands "
3290 "during discovery");
3293 # lpfc_max_luns: maximum allowed LUN.
3294 # Value range is [0,65535]. Default value is 255.
3295 # NOTE: The SCSI layer might probe all allowed LUN on some old targets.
3297 LPFC_VPORT_ATTR_R(max_luns
, 255, 0, 65535, "Maximum allowed LUN");
3300 # lpfc_poll_tmo: .Milliseconds driver will wait between polling FCP ring.
3301 # Value range is [1,255], default value is 10.
3303 LPFC_ATTR_RW(poll_tmo
, 10, 1, 255,
3304 "Milliseconds driver will wait between polling FCP ring");
3307 # lpfc_use_msi: Use MSI (Message Signaled Interrupts) in systems that
3308 # support this feature
3311 # 2 = MSI-X enabled (default)
3312 # Value range is [0,2]. Default value is 2.
3314 LPFC_ATTR_R(use_msi
, 2, 0, 2, "Use Message Signaled Interrupts (1) or "
3315 "MSI-X (2), if possible");
3318 # lpfc_fcp_imax: Set the maximum number of fast-path FCP interrupts per second
3320 # Value range is [636,651042]. Default value is 10000.
3322 LPFC_ATTR_R(fcp_imax
, LPFC_FP_DEF_IMAX
, LPFC_MIM_IMAX
, LPFC_DMULT_CONST
,
3323 "Set the maximum number of fast-path FCP interrupts per second");
3326 # lpfc_fcp_wq_count: Set the number of fast-path FCP work queues
3328 # Value range is [1,31]. Default value is 4.
3330 LPFC_ATTR_R(fcp_wq_count
, LPFC_FP_WQN_DEF
, LPFC_FP_WQN_MIN
, LPFC_FP_WQN_MAX
,
3331 "Set the number of fast-path FCP work queues, if possible");
3334 # lpfc_fcp_eq_count: Set the number of fast-path FCP event queues
3336 # Value range is [1,7]. Default value is 1.
3338 LPFC_ATTR_R(fcp_eq_count
, LPFC_FP_EQN_DEF
, LPFC_FP_EQN_MIN
, LPFC_FP_EQN_MAX
,
3339 "Set the number of fast-path FCP event queues, if possible");
3342 # lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware.
3343 # 0 = HBA resets disabled
3344 # 1 = HBA resets enabled (default)
3345 # Value range is [0,1]. Default value is 1.
3347 LPFC_ATTR_R(enable_hba_reset
, 1, 0, 1, "Enable HBA resets from the driver.");
3350 # lpfc_enable_hba_heartbeat: Disable HBA heartbeat timer..
3351 # 0 = HBA Heartbeat disabled
3352 # 1 = HBA Heartbeat enabled (default)
3353 # Value range is [0,1]. Default value is 1.
3355 LPFC_ATTR_R(enable_hba_heartbeat
, 0, 0, 1, "Enable HBA Heartbeat.");
3358 # lpfc_enable_bg: Enable BlockGuard (Emulex's Implementation of T10-DIF)
3359 # 0 = BlockGuard disabled (default)
3360 # 1 = BlockGuard enabled
3361 # Value range is [0,1]. Default value is 0.
3363 LPFC_ATTR_R(enable_bg
, 0, 0, 1, "Enable BlockGuard Support");
3367 # - Bit mask of host protection capabilities used to register with the
3369 # - Only meaningful if BG is turned on (lpfc_enable_bg=1).
3370 # - Allows you to ultimately specify which profiles to use
3371 # - Default will result in registering capabilities for all profiles.
3374 unsigned int lpfc_prot_mask
= SHOST_DIF_TYPE1_PROTECTION
;
3376 module_param(lpfc_prot_mask
, uint
, S_IRUGO
);
3377 MODULE_PARM_DESC(lpfc_prot_mask
, "host protection mask");
3380 # lpfc_prot_guard: i
3381 # - Bit mask of protection guard types to register with the SCSI mid-layer
3382 # - Guard types are currently either 1) IP checksum 2) T10-DIF CRC
3383 # - Allows you to ultimately specify which profiles to use
3384 # - Default will result in registering capabilities for all guard types
3387 unsigned char lpfc_prot_guard
= SHOST_DIX_GUARD_IP
;
3388 module_param(lpfc_prot_guard
, byte
, S_IRUGO
);
3389 MODULE_PARM_DESC(lpfc_prot_guard
, "host protection guard type");
3392 * Delay initial NPort discovery when Clean Address bit is cleared in
3393 * FLOGI/FDISC accept and FCID/Fabric name/Fabric portname is changed.
3394 * This parameter can have value 0 or 1.
3395 * When this parameter is set to 0, no delay is added to the initial
3397 * When this parameter is set to non-zero value, initial Nport discovery is
3398 * delayed by ra_tov seconds when Clean Address bit is cleared in FLOGI/FDISC
3399 * accept and FCID/Fabric name/Fabric portname is changed.
3400 * Driver always delay Nport discovery for subsequent FLOGI/FDISC completion
3401 * when Clean Address bit is cleared in FLOGI/FDISC
3402 * accept and FCID/Fabric name/Fabric portname is changed.
3403 * Default value is 0.
3405 int lpfc_delay_discovery
;
3406 module_param(lpfc_delay_discovery
, int, S_IRUGO
);
3407 MODULE_PARM_DESC(lpfc_delay_discovery
,
3408 "Delay NPort discovery when Clean Address bit is cleared. "
3409 "Allowed values: 0,1.");
3412 * lpfc_sg_seg_cnt - Initial Maximum DMA Segment Count
3413 * This value can be set to values between 64 and 256. The default value is
3414 * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer
3415 * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE).
3417 LPFC_ATTR_R(sg_seg_cnt
, LPFC_DEFAULT_SG_SEG_CNT
, LPFC_DEFAULT_SG_SEG_CNT
,
3418 LPFC_MAX_SG_SEG_CNT
, "Max Scatter Gather Segment Count");
3420 LPFC_ATTR_R(prot_sg_seg_cnt
, LPFC_DEFAULT_PROT_SG_SEG_CNT
,
3421 LPFC_DEFAULT_PROT_SG_SEG_CNT
, LPFC_MAX_PROT_SG_SEG_CNT
,
3422 "Max Protection Scatter Gather Segment Count");
3424 struct device_attribute
*lpfc_hba_attrs
[] = {
3426 &dev_attr_bg_guard_err
,
3427 &dev_attr_bg_apptag_err
,
3428 &dev_attr_bg_reftag_err
,
3430 &dev_attr_serialnum
,
3431 &dev_attr_modeldesc
,
3432 &dev_attr_modelname
,
3433 &dev_attr_programtype
,
3437 &dev_attr_option_rom_version
,
3438 &dev_attr_link_state
,
3439 &dev_attr_num_discovered_ports
,
3440 &dev_attr_menlo_mgmt_mode
,
3441 &dev_attr_lpfc_drvr_version
,
3442 &dev_attr_lpfc_enable_fip
,
3443 &dev_attr_lpfc_temp_sensor
,
3444 &dev_attr_lpfc_log_verbose
,
3445 &dev_attr_lpfc_lun_queue_depth
,
3446 &dev_attr_lpfc_tgt_queue_depth
,
3447 &dev_attr_lpfc_hba_queue_depth
,
3448 &dev_attr_lpfc_peer_port_login
,
3449 &dev_attr_lpfc_nodev_tmo
,
3450 &dev_attr_lpfc_devloss_tmo
,
3451 &dev_attr_lpfc_fcp_class
,
3452 &dev_attr_lpfc_use_adisc
,
3453 &dev_attr_lpfc_ack0
,
3454 &dev_attr_lpfc_topology
,
3455 &dev_attr_lpfc_scan_down
,
3456 &dev_attr_lpfc_link_speed
,
3457 &dev_attr_lpfc_cr_delay
,
3458 &dev_attr_lpfc_cr_count
,
3459 &dev_attr_lpfc_multi_ring_support
,
3460 &dev_attr_lpfc_multi_ring_rctl
,
3461 &dev_attr_lpfc_multi_ring_type
,
3462 &dev_attr_lpfc_fdmi_on
,
3463 &dev_attr_lpfc_max_luns
,
3464 &dev_attr_lpfc_enable_npiv
,
3465 &dev_attr_lpfc_enable_rrq
,
3466 &dev_attr_nport_evt_cnt
,
3467 &dev_attr_board_mode
,
3474 &dev_attr_npiv_info
,
3475 &dev_attr_issue_reset
,
3476 &dev_attr_lpfc_poll
,
3477 &dev_attr_lpfc_poll_tmo
,
3478 &dev_attr_lpfc_use_msi
,
3479 &dev_attr_lpfc_fcp_imax
,
3480 &dev_attr_lpfc_fcp_wq_count
,
3481 &dev_attr_lpfc_fcp_eq_count
,
3482 &dev_attr_lpfc_enable_bg
,
3483 &dev_attr_lpfc_soft_wwnn
,
3484 &dev_attr_lpfc_soft_wwpn
,
3485 &dev_attr_lpfc_soft_wwn_enable
,
3486 &dev_attr_lpfc_enable_hba_reset
,
3487 &dev_attr_lpfc_enable_hba_heartbeat
,
3488 &dev_attr_lpfc_sg_seg_cnt
,
3489 &dev_attr_lpfc_max_scsicmpl_time
,
3490 &dev_attr_lpfc_stat_data_ctrl
,
3491 &dev_attr_lpfc_prot_sg_seg_cnt
,
3492 &dev_attr_lpfc_aer_support
,
3493 &dev_attr_lpfc_aer_state_cleanup
,
3494 &dev_attr_lpfc_suppress_link_up
,
3495 &dev_attr_lpfc_iocb_cnt
,
3498 &dev_attr_txcmplq_hw
,
3499 &dev_attr_lpfc_fips_level
,
3500 &dev_attr_lpfc_fips_rev
,
3505 struct device_attribute
*lpfc_vport_attrs
[] = {
3507 &dev_attr_link_state
,
3508 &dev_attr_num_discovered_ports
,
3509 &dev_attr_lpfc_drvr_version
,
3510 &dev_attr_lpfc_log_verbose
,
3511 &dev_attr_lpfc_lun_queue_depth
,
3512 &dev_attr_lpfc_tgt_queue_depth
,
3513 &dev_attr_lpfc_nodev_tmo
,
3514 &dev_attr_lpfc_devloss_tmo
,
3515 &dev_attr_lpfc_hba_queue_depth
,
3516 &dev_attr_lpfc_peer_port_login
,
3517 &dev_attr_lpfc_restrict_login
,
3518 &dev_attr_lpfc_fcp_class
,
3519 &dev_attr_lpfc_use_adisc
,
3520 &dev_attr_lpfc_fdmi_on
,
3521 &dev_attr_lpfc_max_luns
,
3522 &dev_attr_nport_evt_cnt
,
3523 &dev_attr_npiv_info
,
3524 &dev_attr_lpfc_enable_da_id
,
3525 &dev_attr_lpfc_max_scsicmpl_time
,
3526 &dev_attr_lpfc_stat_data_ctrl
,
3527 &dev_attr_lpfc_static_vport
,
3528 &dev_attr_lpfc_fips_level
,
3529 &dev_attr_lpfc_fips_rev
,
3534 * sysfs_ctlreg_write - Write method for writing to ctlreg
3535 * @filp: open sysfs file
3536 * @kobj: kernel kobject that contains the kernel class device.
3537 * @bin_attr: kernel attributes passed to us.
3538 * @buf: contains the data to be written to the adapter IOREG space.
3539 * @off: offset into buffer to beginning of data.
3540 * @count: bytes to transfer.
3543 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3544 * Uses the adapter io control registers to send buf contents to the adapter.
3547 * -ERANGE off and count combo out of range
3548 * -EINVAL off, count or buff address invalid
3549 * -EPERM adapter is offline
3550 * value of count, buf contents written
3553 sysfs_ctlreg_write(struct file
*filp
, struct kobject
*kobj
,
3554 struct bin_attribute
*bin_attr
,
3555 char *buf
, loff_t off
, size_t count
)
3558 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3559 struct Scsi_Host
*shost
= class_to_shost(dev
);
3560 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3561 struct lpfc_hba
*phba
= vport
->phba
;
3563 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
3566 if ((off
+ count
) > FF_REG_AREA_SIZE
)
3569 if (count
== 0) return 0;
3571 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3574 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
3578 spin_lock_irq(&phba
->hbalock
);
3579 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t))
3580 writel(*((uint32_t *)(buf
+ buf_off
)),
3581 phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
3583 spin_unlock_irq(&phba
->hbalock
);
3589 * sysfs_ctlreg_read - Read method for reading from ctlreg
3590 * @filp: open sysfs file
3591 * @kobj: kernel kobject that contains the kernel class device.
3592 * @bin_attr: kernel attributes passed to us.
3593 * @buf: if successful contains the data from the adapter IOREG space.
3594 * @off: offset into buffer to beginning of data.
3595 * @count: bytes to transfer.
3598 * Accessed via /sys/class/scsi_host/hostxxx/ctlreg.
3599 * Uses the adapter io control registers to read data into buf.
3602 * -ERANGE off and count combo out of range
3603 * -EINVAL off, count or buff address invalid
3604 * value of count, buf contents read
3607 sysfs_ctlreg_read(struct file
*filp
, struct kobject
*kobj
,
3608 struct bin_attribute
*bin_attr
,
3609 char *buf
, loff_t off
, size_t count
)
3613 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3614 struct Scsi_Host
*shost
= class_to_shost(dev
);
3615 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3616 struct lpfc_hba
*phba
= vport
->phba
;
3618 if (phba
->sli_rev
>= LPFC_SLI_REV4
)
3621 if (off
> FF_REG_AREA_SIZE
)
3624 if ((off
+ count
) > FF_REG_AREA_SIZE
)
3625 count
= FF_REG_AREA_SIZE
- off
;
3627 if (count
== 0) return 0;
3629 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3632 spin_lock_irq(&phba
->hbalock
);
3634 for (buf_off
= 0; buf_off
< count
; buf_off
+= sizeof(uint32_t)) {
3635 tmp_ptr
= (uint32_t *)(buf
+ buf_off
);
3636 *tmp_ptr
= readl(phba
->ctrl_regs_memmap_p
+ off
+ buf_off
);
3639 spin_unlock_irq(&phba
->hbalock
);
3644 static struct bin_attribute sysfs_ctlreg_attr
= {
3647 .mode
= S_IRUSR
| S_IWUSR
,
3650 .read
= sysfs_ctlreg_read
,
3651 .write
= sysfs_ctlreg_write
,
3655 * sysfs_mbox_idle - frees the sysfs mailbox
3656 * @phba: lpfc_hba pointer
3659 sysfs_mbox_idle(struct lpfc_hba
*phba
)
3661 phba
->sysfs_mbox
.state
= SMBOX_IDLE
;
3662 phba
->sysfs_mbox
.offset
= 0;
3664 if (phba
->sysfs_mbox
.mbox
) {
3665 mempool_free(phba
->sysfs_mbox
.mbox
,
3666 phba
->mbox_mem_pool
);
3667 phba
->sysfs_mbox
.mbox
= NULL
;
3672 * sysfs_mbox_write - Write method for writing information via mbox
3673 * @filp: open sysfs file
3674 * @kobj: kernel kobject that contains the kernel class device.
3675 * @bin_attr: kernel attributes passed to us.
3676 * @buf: contains the data to be written to sysfs mbox.
3677 * @off: offset into buffer to beginning of data.
3678 * @count: bytes to transfer.
3681 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3682 * Uses the sysfs mbox to send buf contents to the adapter.
3685 * -ERANGE off and count combo out of range
3686 * -EINVAL off, count or buff address invalid
3687 * zero if count is zero
3688 * -EPERM adapter is offline
3689 * -ENOMEM failed to allocate memory for the mail box
3690 * -EAGAIN offset, state or mbox is NULL
3691 * count number of bytes transferred
3694 sysfs_mbox_write(struct file
*filp
, struct kobject
*kobj
,
3695 struct bin_attribute
*bin_attr
,
3696 char *buf
, loff_t off
, size_t count
)
3698 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3699 struct Scsi_Host
*shost
= class_to_shost(dev
);
3700 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3701 struct lpfc_hba
*phba
= vport
->phba
;
3702 struct lpfcMboxq
*mbox
= NULL
;
3704 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
3707 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3714 mbox
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
3717 memset(mbox
, 0, sizeof (LPFC_MBOXQ_t
));
3720 spin_lock_irq(&phba
->hbalock
);
3723 if (phba
->sysfs_mbox
.mbox
)
3724 mempool_free(mbox
, phba
->mbox_mem_pool
);
3726 phba
->sysfs_mbox
.mbox
= mbox
;
3727 phba
->sysfs_mbox
.state
= SMBOX_WRITING
;
3729 if (phba
->sysfs_mbox
.state
!= SMBOX_WRITING
||
3730 phba
->sysfs_mbox
.offset
!= off
||
3731 phba
->sysfs_mbox
.mbox
== NULL
) {
3732 sysfs_mbox_idle(phba
);
3733 spin_unlock_irq(&phba
->hbalock
);
3738 memcpy((uint8_t *) &phba
->sysfs_mbox
.mbox
->u
.mb
+ off
,
3741 phba
->sysfs_mbox
.offset
= off
+ count
;
3743 spin_unlock_irq(&phba
->hbalock
);
3749 * sysfs_mbox_read - Read method for reading information via mbox
3750 * @filp: open sysfs file
3751 * @kobj: kernel kobject that contains the kernel class device.
3752 * @bin_attr: kernel attributes passed to us.
3753 * @buf: contains the data to be read from sysfs mbox.
3754 * @off: offset into buffer to beginning of data.
3755 * @count: bytes to transfer.
3758 * Accessed via /sys/class/scsi_host/hostxxx/mbox.
3759 * Uses the sysfs mbox to receive data from to the adapter.
3762 * -ERANGE off greater than mailbox command size
3763 * -EINVAL off, count or buff address invalid
3764 * zero if off and count are zero
3765 * -EACCES adapter over temp
3766 * -EPERM garbage can value to catch a multitude of errors
3767 * -EAGAIN management IO not permitted, state or off error
3768 * -ETIME mailbox timeout
3769 * -ENODEV mailbox error
3770 * count number of bytes transferred
3773 sysfs_mbox_read(struct file
*filp
, struct kobject
*kobj
,
3774 struct bin_attribute
*bin_attr
,
3775 char *buf
, loff_t off
, size_t count
)
3777 struct device
*dev
= container_of(kobj
, struct device
, kobj
);
3778 struct Scsi_Host
*shost
= class_to_shost(dev
);
3779 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
3780 struct lpfc_hba
*phba
= vport
->phba
;
3784 if (off
> MAILBOX_CMD_SIZE
)
3787 if ((count
+ off
) > MAILBOX_CMD_SIZE
)
3788 count
= MAILBOX_CMD_SIZE
- off
;
3790 if (off
% 4 || count
% 4 || (unsigned long)buf
% 4)
3793 if (off
&& count
== 0)
3796 spin_lock_irq(&phba
->hbalock
);
3798 if (phba
->over_temp_state
== HBA_OVER_TEMP
) {
3799 sysfs_mbox_idle(phba
);
3800 spin_unlock_irq(&phba
->hbalock
);
3805 phba
->sysfs_mbox
.state
== SMBOX_WRITING
&&
3806 phba
->sysfs_mbox
.offset
>= 2 * sizeof(uint32_t)) {
3807 pmb
= &phba
->sysfs_mbox
.mbox
->u
.mb
;
3808 switch (pmb
->mbxCommand
) {
3812 case MBX_CONFIG_LINK
:
3813 case MBX_CONFIG_RING
:
3814 case MBX_RESET_RING
:
3815 case MBX_UNREG_LOGIN
:
3817 case MBX_DUMP_CONTEXT
:
3822 if (!(vport
->fc_flag
& FC_OFFLINE_MODE
)) {
3823 printk(KERN_WARNING
"mbox_read:Command 0x%x "
3824 "is illegal in on-line state\n",
3826 sysfs_mbox_idle(phba
);
3827 spin_unlock_irq(&phba
->hbalock
);
3831 case MBX_WRITE_VPARMS
:
3834 case MBX_READ_CONFIG
:
3835 case MBX_READ_RCONFIG
:
3836 case MBX_READ_STATUS
:
3839 case MBX_READ_LNK_STAT
:
3840 case MBX_DUMP_MEMORY
:
3842 case MBX_UPDATE_CFG
:
3843 case MBX_KILL_BOARD
:
3845 case MBX_LOAD_EXP_ROM
:
3847 case MBX_DEL_LD_ENTRY
:
3848 case MBX_SET_VARIABLE
:
3850 case MBX_PORT_CAPABILITIES
:
3851 case MBX_PORT_IOV_CONTROL
:
3853 case MBX_SECURITY_MGMT
:
3855 if (phba
->pci_dev_grp
== LPFC_PCI_DEV_OC
) {
3856 printk(KERN_WARNING
"mbox_read:Command 0x%x "
3857 "is not permitted\n", pmb
->mbxCommand
);
3858 sysfs_mbox_idle(phba
);
3859 spin_unlock_irq(&phba
->hbalock
);
3863 case MBX_READ_SPARM64
:
3864 case MBX_READ_TOPOLOGY
:
3866 case MBX_REG_LOGIN64
:
3867 case MBX_CONFIG_PORT
:
3868 case MBX_RUN_BIU_DIAG
:
3869 printk(KERN_WARNING
"mbox_read: Illegal Command 0x%x\n",
3871 sysfs_mbox_idle(phba
);
3872 spin_unlock_irq(&phba
->hbalock
);
3875 printk(KERN_WARNING
"mbox_read: Unknown Command 0x%x\n",
3877 sysfs_mbox_idle(phba
);
3878 spin_unlock_irq(&phba
->hbalock
);
3882 /* If HBA encountered an error attention, allow only DUMP
3883 * or RESTART mailbox commands until the HBA is restarted.
3885 if (phba
->pport
->stopped
&&
3886 pmb
->mbxCommand
!= MBX_DUMP_MEMORY
&&
3887 pmb
->mbxCommand
!= MBX_RESTART
&&
3888 pmb
->mbxCommand
!= MBX_WRITE_VPARMS
&&
3889 pmb
->mbxCommand
!= MBX_WRITE_WWN
)
3890 lpfc_printf_log(phba
, KERN_WARNING
, LOG_MBOX
,
3891 "1259 mbox: Issued mailbox cmd "
3892 "0x%x while in stopped state.\n",
3895 phba
->sysfs_mbox
.mbox
->vport
= vport
;
3897 /* Don't allow mailbox commands to be sent when blocked
3898 * or when in the middle of discovery
3900 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
) {
3901 sysfs_mbox_idle(phba
);
3902 spin_unlock_irq(&phba
->hbalock
);
3906 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
3907 (!(phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
))) {
3909 spin_unlock_irq(&phba
->hbalock
);
3910 rc
= lpfc_sli_issue_mbox (phba
,
3911 phba
->sysfs_mbox
.mbox
,
3913 spin_lock_irq(&phba
->hbalock
);
3916 spin_unlock_irq(&phba
->hbalock
);
3917 rc
= lpfc_sli_issue_mbox_wait (phba
,
3918 phba
->sysfs_mbox
.mbox
,
3919 lpfc_mbox_tmo_val(phba
, pmb
->mbxCommand
) * HZ
);
3920 spin_lock_irq(&phba
->hbalock
);
3923 if (rc
!= MBX_SUCCESS
) {
3924 if (rc
== MBX_TIMEOUT
) {
3925 phba
->sysfs_mbox
.mbox
= NULL
;
3927 sysfs_mbox_idle(phba
);
3928 spin_unlock_irq(&phba
->hbalock
);
3929 return (rc
== MBX_TIMEOUT
) ? -ETIME
: -ENODEV
;
3931 phba
->sysfs_mbox
.state
= SMBOX_READING
;
3933 else if (phba
->sysfs_mbox
.offset
!= off
||
3934 phba
->sysfs_mbox
.state
!= SMBOX_READING
) {
3935 printk(KERN_WARNING
"mbox_read: Bad State\n");
3936 sysfs_mbox_idle(phba
);
3937 spin_unlock_irq(&phba
->hbalock
);
3941 memcpy(buf
, (uint8_t *) &pmb
+ off
, count
);
3943 phba
->sysfs_mbox
.offset
= off
+ count
;
3945 if (phba
->sysfs_mbox
.offset
== MAILBOX_CMD_SIZE
)
3946 sysfs_mbox_idle(phba
);
3948 spin_unlock_irq(&phba
->hbalock
);
3953 static struct bin_attribute sysfs_mbox_attr
= {
3956 .mode
= S_IRUSR
| S_IWUSR
,
3958 .size
= MAILBOX_CMD_SIZE
,
3959 .read
= sysfs_mbox_read
,
3960 .write
= sysfs_mbox_write
,
3964 * lpfc_alloc_sysfs_attr - Creates the ctlreg and mbox entries
3965 * @vport: address of lpfc vport structure.
3969 * error return code from sysfs_create_bin_file()
3972 lpfc_alloc_sysfs_attr(struct lpfc_vport
*vport
)
3974 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
3977 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3978 &sysfs_drvr_stat_data_attr
);
3980 /* Virtual ports do not need ctrl_reg and mbox */
3981 if (error
|| vport
->port_type
== LPFC_NPIV_PORT
)
3984 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3985 &sysfs_ctlreg_attr
);
3987 goto out_remove_stat_attr
;
3989 error
= sysfs_create_bin_file(&shost
->shost_dev
.kobj
,
3992 goto out_remove_ctlreg_attr
;
3995 out_remove_ctlreg_attr
:
3996 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
3997 out_remove_stat_attr
:
3998 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
3999 &sysfs_drvr_stat_data_attr
);
4005 * lpfc_free_sysfs_attr - Removes the ctlreg and mbox entries
4006 * @vport: address of lpfc vport structure.
4009 lpfc_free_sysfs_attr(struct lpfc_vport
*vport
)
4011 struct Scsi_Host
*shost
= lpfc_shost_from_vport(vport
);
4012 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
,
4013 &sysfs_drvr_stat_data_attr
);
4014 /* Virtual ports do not need ctrl_reg and mbox */
4015 if (vport
->port_type
== LPFC_NPIV_PORT
)
4017 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_mbox_attr
);
4018 sysfs_remove_bin_file(&shost
->shost_dev
.kobj
, &sysfs_ctlreg_attr
);
4023 * Dynamic FC Host Attributes Support
4027 * lpfc_get_host_port_id - Copy the vport DID into the scsi host port id
4028 * @shost: kernel scsi host pointer.
4031 lpfc_get_host_port_id(struct Scsi_Host
*shost
)
4033 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4035 /* note: fc_myDID already in cpu endianness */
4036 fc_host_port_id(shost
) = vport
->fc_myDID
;
4040 * lpfc_get_host_port_type - Set the value of the scsi host port type
4041 * @shost: kernel scsi host pointer.
4044 lpfc_get_host_port_type(struct Scsi_Host
*shost
)
4046 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4047 struct lpfc_hba
*phba
= vport
->phba
;
4049 spin_lock_irq(shost
->host_lock
);
4051 if (vport
->port_type
== LPFC_NPIV_PORT
) {
4052 fc_host_port_type(shost
) = FC_PORTTYPE_NPIV
;
4053 } else if (lpfc_is_link_up(phba
)) {
4054 if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
4055 if (vport
->fc_flag
& FC_PUBLIC_LOOP
)
4056 fc_host_port_type(shost
) = FC_PORTTYPE_NLPORT
;
4058 fc_host_port_type(shost
) = FC_PORTTYPE_LPORT
;
4060 if (vport
->fc_flag
& FC_FABRIC
)
4061 fc_host_port_type(shost
) = FC_PORTTYPE_NPORT
;
4063 fc_host_port_type(shost
) = FC_PORTTYPE_PTP
;
4066 fc_host_port_type(shost
) = FC_PORTTYPE_UNKNOWN
;
4068 spin_unlock_irq(shost
->host_lock
);
4072 * lpfc_get_host_port_state - Set the value of the scsi host port state
4073 * @shost: kernel scsi host pointer.
4076 lpfc_get_host_port_state(struct Scsi_Host
*shost
)
4078 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4079 struct lpfc_hba
*phba
= vport
->phba
;
4081 spin_lock_irq(shost
->host_lock
);
4083 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4084 fc_host_port_state(shost
) = FC_PORTSTATE_OFFLINE
;
4086 switch (phba
->link_state
) {
4087 case LPFC_LINK_UNKNOWN
:
4088 case LPFC_LINK_DOWN
:
4089 fc_host_port_state(shost
) = FC_PORTSTATE_LINKDOWN
;
4093 case LPFC_HBA_READY
:
4094 /* Links up, beyond this port_type reports state */
4095 fc_host_port_state(shost
) = FC_PORTSTATE_ONLINE
;
4097 case LPFC_HBA_ERROR
:
4098 fc_host_port_state(shost
) = FC_PORTSTATE_ERROR
;
4101 fc_host_port_state(shost
) = FC_PORTSTATE_UNKNOWN
;
4106 spin_unlock_irq(shost
->host_lock
);
4110 * lpfc_get_host_speed - Set the value of the scsi host speed
4111 * @shost: kernel scsi host pointer.
4114 lpfc_get_host_speed(struct Scsi_Host
*shost
)
4116 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4117 struct lpfc_hba
*phba
= vport
->phba
;
4119 spin_lock_irq(shost
->host_lock
);
4121 if (lpfc_is_link_up(phba
)) {
4122 switch(phba
->fc_linkspeed
) {
4123 case LPFC_LINK_SPEED_1GHZ
:
4124 fc_host_speed(shost
) = FC_PORTSPEED_1GBIT
;
4126 case LPFC_LINK_SPEED_2GHZ
:
4127 fc_host_speed(shost
) = FC_PORTSPEED_2GBIT
;
4129 case LPFC_LINK_SPEED_4GHZ
:
4130 fc_host_speed(shost
) = FC_PORTSPEED_4GBIT
;
4132 case LPFC_LINK_SPEED_8GHZ
:
4133 fc_host_speed(shost
) = FC_PORTSPEED_8GBIT
;
4135 case LPFC_LINK_SPEED_10GHZ
:
4136 fc_host_speed(shost
) = FC_PORTSPEED_10GBIT
;
4138 case LPFC_LINK_SPEED_16GHZ
:
4139 fc_host_speed(shost
) = FC_PORTSPEED_16GBIT
;
4142 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
4146 fc_host_speed(shost
) = FC_PORTSPEED_UNKNOWN
;
4148 spin_unlock_irq(shost
->host_lock
);
4152 * lpfc_get_host_fabric_name - Set the value of the scsi host fabric name
4153 * @shost: kernel scsi host pointer.
4156 lpfc_get_host_fabric_name (struct Scsi_Host
*shost
)
4158 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4159 struct lpfc_hba
*phba
= vport
->phba
;
4162 spin_lock_irq(shost
->host_lock
);
4164 if ((vport
->fc_flag
& FC_FABRIC
) ||
4165 ((phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) &&
4166 (vport
->fc_flag
& FC_PUBLIC_LOOP
)))
4167 node_name
= wwn_to_u64(phba
->fc_fabparam
.nodeName
.u
.wwn
);
4169 /* fabric is local port if there is no F/FL_Port */
4172 spin_unlock_irq(shost
->host_lock
);
4174 fc_host_fabric_name(shost
) = node_name
;
4178 * lpfc_get_stats - Return statistical information about the adapter
4179 * @shost: kernel scsi host pointer.
4182 * NULL on error for link down, no mbox pool, sli2 active,
4183 * management not allowed, memory allocation error, or mbox error.
4187 * address of the adapter host statistics
4189 static struct fc_host_statistics
*
4190 lpfc_get_stats(struct Scsi_Host
*shost
)
4192 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4193 struct lpfc_hba
*phba
= vport
->phba
;
4194 struct lpfc_sli
*psli
= &phba
->sli
;
4195 struct fc_host_statistics
*hs
= &phba
->link_stats
;
4196 struct lpfc_lnk_stat
* lso
= &psli
->lnk_stat_offsets
;
4197 LPFC_MBOXQ_t
*pmboxq
;
4199 unsigned long seconds
;
4203 * prevent udev from issuing mailbox commands until the port is
4206 if (phba
->link_state
< LPFC_LINK_DOWN
||
4207 !phba
->mbox_mem_pool
||
4208 (phba
->sli
.sli_flag
& LPFC_SLI_ACTIVE
) == 0)
4211 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
4214 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4217 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
4219 pmb
= &pmboxq
->u
.mb
;
4220 pmb
->mbxCommand
= MBX_READ_STATUS
;
4221 pmb
->mbxOwner
= OWN_HOST
;
4222 pmboxq
->context1
= NULL
;
4223 pmboxq
->vport
= vport
;
4225 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4226 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4228 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4230 if (rc
!= MBX_SUCCESS
) {
4231 if (rc
!= MBX_TIMEOUT
)
4232 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4236 memset(hs
, 0, sizeof (struct fc_host_statistics
));
4238 hs
->tx_frames
= pmb
->un
.varRdStatus
.xmitFrameCnt
;
4239 hs
->tx_words
= (pmb
->un
.varRdStatus
.xmitByteCnt
* 256);
4240 hs
->rx_frames
= pmb
->un
.varRdStatus
.rcvFrameCnt
;
4241 hs
->rx_words
= (pmb
->un
.varRdStatus
.rcvByteCnt
* 256);
4243 memset(pmboxq
, 0, sizeof (LPFC_MBOXQ_t
));
4244 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
4245 pmb
->mbxOwner
= OWN_HOST
;
4246 pmboxq
->context1
= NULL
;
4247 pmboxq
->vport
= vport
;
4249 if (vport
->fc_flag
& FC_OFFLINE_MODE
)
4250 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4252 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4254 if (rc
!= MBX_SUCCESS
) {
4255 if (rc
!= MBX_TIMEOUT
)
4256 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4260 hs
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
4261 hs
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
4262 hs
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
4263 hs
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
4264 hs
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
4265 hs
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
4266 hs
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
4268 hs
->link_failure_count
-= lso
->link_failure_count
;
4269 hs
->loss_of_sync_count
-= lso
->loss_of_sync_count
;
4270 hs
->loss_of_signal_count
-= lso
->loss_of_signal_count
;
4271 hs
->prim_seq_protocol_err_count
-= lso
->prim_seq_protocol_err_count
;
4272 hs
->invalid_tx_word_count
-= lso
->invalid_tx_word_count
;
4273 hs
->invalid_crc_count
-= lso
->invalid_crc_count
;
4274 hs
->error_frames
-= lso
->error_frames
;
4276 if (phba
->hba_flag
& HBA_FCOE_MODE
) {
4278 hs
->nos_count
= (phba
->link_events
>> 1);
4279 hs
->nos_count
-= lso
->link_events
;
4280 } else if (phba
->fc_topology
== LPFC_TOPOLOGY_LOOP
) {
4281 hs
->lip_count
= (phba
->fc_eventTag
>> 1);
4282 hs
->lip_count
-= lso
->link_events
;
4286 hs
->nos_count
= (phba
->fc_eventTag
>> 1);
4287 hs
->nos_count
-= lso
->link_events
;
4290 hs
->dumped_frames
= -1;
4292 seconds
= get_seconds();
4293 if (seconds
< psli
->stats_start
)
4294 hs
->seconds_since_last_reset
= seconds
+
4295 ((unsigned long)-1 - psli
->stats_start
);
4297 hs
->seconds_since_last_reset
= seconds
- psli
->stats_start
;
4299 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4305 * lpfc_reset_stats - Copy the adapter link stats information
4306 * @shost: kernel scsi host pointer.
4309 lpfc_reset_stats(struct Scsi_Host
*shost
)
4311 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4312 struct lpfc_hba
*phba
= vport
->phba
;
4313 struct lpfc_sli
*psli
= &phba
->sli
;
4314 struct lpfc_lnk_stat
*lso
= &psli
->lnk_stat_offsets
;
4315 LPFC_MBOXQ_t
*pmboxq
;
4319 if (phba
->sli
.sli_flag
& LPFC_BLOCK_MGMT_IO
)
4322 pmboxq
= mempool_alloc(phba
->mbox_mem_pool
, GFP_KERNEL
);
4325 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4327 pmb
= &pmboxq
->u
.mb
;
4328 pmb
->mbxCommand
= MBX_READ_STATUS
;
4329 pmb
->mbxOwner
= OWN_HOST
;
4330 pmb
->un
.varWords
[0] = 0x1; /* reset request */
4331 pmboxq
->context1
= NULL
;
4332 pmboxq
->vport
= vport
;
4334 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
4335 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
4336 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4338 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4340 if (rc
!= MBX_SUCCESS
) {
4341 if (rc
!= MBX_TIMEOUT
)
4342 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4346 memset(pmboxq
, 0, sizeof(LPFC_MBOXQ_t
));
4347 pmb
->mbxCommand
= MBX_READ_LNK_STAT
;
4348 pmb
->mbxOwner
= OWN_HOST
;
4349 pmboxq
->context1
= NULL
;
4350 pmboxq
->vport
= vport
;
4352 if ((vport
->fc_flag
& FC_OFFLINE_MODE
) ||
4353 (!(psli
->sli_flag
& LPFC_SLI_ACTIVE
)))
4354 rc
= lpfc_sli_issue_mbox(phba
, pmboxq
, MBX_POLL
);
4356 rc
= lpfc_sli_issue_mbox_wait(phba
, pmboxq
, phba
->fc_ratov
* 2);
4358 if (rc
!= MBX_SUCCESS
) {
4359 if (rc
!= MBX_TIMEOUT
)
4360 mempool_free( pmboxq
, phba
->mbox_mem_pool
);
4364 lso
->link_failure_count
= pmb
->un
.varRdLnk
.linkFailureCnt
;
4365 lso
->loss_of_sync_count
= pmb
->un
.varRdLnk
.lossSyncCnt
;
4366 lso
->loss_of_signal_count
= pmb
->un
.varRdLnk
.lossSignalCnt
;
4367 lso
->prim_seq_protocol_err_count
= pmb
->un
.varRdLnk
.primSeqErrCnt
;
4368 lso
->invalid_tx_word_count
= pmb
->un
.varRdLnk
.invalidXmitWord
;
4369 lso
->invalid_crc_count
= pmb
->un
.varRdLnk
.crcCnt
;
4370 lso
->error_frames
= pmb
->un
.varRdLnk
.crcCnt
;
4371 if (phba
->hba_flag
& HBA_FCOE_MODE
)
4372 lso
->link_events
= (phba
->link_events
>> 1);
4374 lso
->link_events
= (phba
->fc_eventTag
>> 1);
4376 psli
->stats_start
= get_seconds();
4378 mempool_free(pmboxq
, phba
->mbox_mem_pool
);
4384 * The LPFC driver treats linkdown handling as target loss events so there
4385 * are no sysfs handlers for link_down_tmo.
4389 * lpfc_get_node_by_target - Return the nodelist for a target
4390 * @starget: kernel scsi target pointer.
4393 * address of the node list if found
4394 * NULL target not found
4396 static struct lpfc_nodelist
*
4397 lpfc_get_node_by_target(struct scsi_target
*starget
)
4399 struct Scsi_Host
*shost
= dev_to_shost(starget
->dev
.parent
);
4400 struct lpfc_vport
*vport
= (struct lpfc_vport
*) shost
->hostdata
;
4401 struct lpfc_nodelist
*ndlp
;
4403 spin_lock_irq(shost
->host_lock
);
4404 /* Search for this, mapped, target ID */
4405 list_for_each_entry(ndlp
, &vport
->fc_nodes
, nlp_listp
) {
4406 if (NLP_CHK_NODE_ACT(ndlp
) &&
4407 ndlp
->nlp_state
== NLP_STE_MAPPED_NODE
&&
4408 starget
->id
== ndlp
->nlp_sid
) {
4409 spin_unlock_irq(shost
->host_lock
);
4413 spin_unlock_irq(shost
->host_lock
);
4418 * lpfc_get_starget_port_id - Set the target port id to the ndlp DID or -1
4419 * @starget: kernel scsi target pointer.
4422 lpfc_get_starget_port_id(struct scsi_target
*starget
)
4424 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4426 fc_starget_port_id(starget
) = ndlp
? ndlp
->nlp_DID
: -1;
4430 * lpfc_get_starget_node_name - Set the target node name
4431 * @starget: kernel scsi target pointer.
4433 * Description: Set the target node name to the ndlp node name wwn or zero.
4436 lpfc_get_starget_node_name(struct scsi_target
*starget
)
4438 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4440 fc_starget_node_name(starget
) =
4441 ndlp
? wwn_to_u64(ndlp
->nlp_nodename
.u
.wwn
) : 0;
4445 * lpfc_get_starget_port_name - Set the target port name
4446 * @starget: kernel scsi target pointer.
4448 * Description: set the target port name to the ndlp port name wwn or zero.
4451 lpfc_get_starget_port_name(struct scsi_target
*starget
)
4453 struct lpfc_nodelist
*ndlp
= lpfc_get_node_by_target(starget
);
4455 fc_starget_port_name(starget
) =
4456 ndlp
? wwn_to_u64(ndlp
->nlp_portname
.u
.wwn
) : 0;
4460 * lpfc_set_rport_loss_tmo - Set the rport dev loss tmo
4461 * @rport: fc rport address.
4462 * @timeout: new value for dev loss tmo.
4465 * If timeout is non zero set the dev_loss_tmo to timeout, else set
4466 * dev_loss_tmo to one.
4469 lpfc_set_rport_loss_tmo(struct fc_rport
*rport
, uint32_t timeout
)
4472 rport
->dev_loss_tmo
= timeout
;
4474 rport
->dev_loss_tmo
= 1;
4478 * lpfc_rport_show_function - Return rport target information
4481 * Macro that uses field to generate a function with the name lpfc_show_rport_
4483 * lpfc_show_rport_##field: returns the bytes formatted in buf
4484 * @cdev: class converted to an fc_rport.
4485 * @buf: on return contains the target_field or zero.
4487 * Returns: size of formatted string.
4489 #define lpfc_rport_show_function(field, format_string, sz, cast) \
4491 lpfc_show_rport_##field (struct device *dev, \
4492 struct device_attribute *attr, \
4495 struct fc_rport *rport = transport_class_to_rport(dev); \
4496 struct lpfc_rport_data *rdata = rport->hostdata; \
4497 return snprintf(buf, sz, format_string, \
4498 (rdata->target) ? cast rdata->target->field : 0); \
4501 #define lpfc_rport_rd_attr(field, format_string, sz) \
4502 lpfc_rport_show_function(field, format_string, sz, ) \
4503 static FC_RPORT_ATTR(field, S_IRUGO, lpfc_show_rport_##field, NULL)
4506 * lpfc_set_vport_symbolic_name - Set the vport's symbolic name
4507 * @fc_vport: The fc_vport who's symbolic name has been changed.
4510 * This function is called by the transport after the @fc_vport's symbolic name
4511 * has been changed. This function re-registers the symbolic name with the
4512 * switch to propogate the change into the fabric if the vport is active.
4515 lpfc_set_vport_symbolic_name(struct fc_vport
*fc_vport
)
4517 struct lpfc_vport
*vport
= *(struct lpfc_vport
**)fc_vport
->dd_data
;
4519 if (vport
->port_state
== LPFC_VPORT_READY
)
4520 lpfc_ns_cmd(vport
, SLI_CTNS_RSPN_ID
, 0, 0);
4524 * lpfc_hba_log_verbose_init - Set hba's log verbose level
4525 * @phba: Pointer to lpfc_hba struct.
4527 * This function is called by the lpfc_get_cfgparam() routine to set the
4528 * module lpfc_log_verbose into the @phba cfg_log_verbose for use with
4529 * log messsage according to the module's lpfc_log_verbose parameter setting
4530 * before hba port or vport created.
4533 lpfc_hba_log_verbose_init(struct lpfc_hba
*phba
, uint32_t verbose
)
4535 phba
->cfg_log_verbose
= verbose
;
4538 struct fc_function_template lpfc_transport_functions
= {
4539 /* fixed attributes the driver supports */
4540 .show_host_node_name
= 1,
4541 .show_host_port_name
= 1,
4542 .show_host_supported_classes
= 1,
4543 .show_host_supported_fc4s
= 1,
4544 .show_host_supported_speeds
= 1,
4545 .show_host_maxframe_size
= 1,
4546 .show_host_symbolic_name
= 1,
4548 /* dynamic attributes the driver supports */
4549 .get_host_port_id
= lpfc_get_host_port_id
,
4550 .show_host_port_id
= 1,
4552 .get_host_port_type
= lpfc_get_host_port_type
,
4553 .show_host_port_type
= 1,
4555 .get_host_port_state
= lpfc_get_host_port_state
,
4556 .show_host_port_state
= 1,
4558 /* active_fc4s is shown but doesn't change (thus no get function) */
4559 .show_host_active_fc4s
= 1,
4561 .get_host_speed
= lpfc_get_host_speed
,
4562 .show_host_speed
= 1,
4564 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
4565 .show_host_fabric_name
= 1,
4568 * The LPFC driver treats linkdown handling as target loss events
4569 * so there are no sysfs handlers for link_down_tmo.
4572 .get_fc_host_stats
= lpfc_get_stats
,
4573 .reset_fc_host_stats
= lpfc_reset_stats
,
4575 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
4576 .show_rport_maxframe_size
= 1,
4577 .show_rport_supported_classes
= 1,
4579 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
4580 .show_rport_dev_loss_tmo
= 1,
4582 .get_starget_port_id
= lpfc_get_starget_port_id
,
4583 .show_starget_port_id
= 1,
4585 .get_starget_node_name
= lpfc_get_starget_node_name
,
4586 .show_starget_node_name
= 1,
4588 .get_starget_port_name
= lpfc_get_starget_port_name
,
4589 .show_starget_port_name
= 1,
4591 .issue_fc_host_lip
= lpfc_issue_lip
,
4592 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
4593 .terminate_rport_io
= lpfc_terminate_rport_io
,
4595 .dd_fcvport_size
= sizeof(struct lpfc_vport
*),
4597 .vport_disable
= lpfc_vport_disable
,
4599 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
4601 .bsg_request
= lpfc_bsg_request
,
4602 .bsg_timeout
= lpfc_bsg_timeout
,
4605 struct fc_function_template lpfc_vport_transport_functions
= {
4606 /* fixed attributes the driver supports */
4607 .show_host_node_name
= 1,
4608 .show_host_port_name
= 1,
4609 .show_host_supported_classes
= 1,
4610 .show_host_supported_fc4s
= 1,
4611 .show_host_supported_speeds
= 1,
4612 .show_host_maxframe_size
= 1,
4613 .show_host_symbolic_name
= 1,
4615 /* dynamic attributes the driver supports */
4616 .get_host_port_id
= lpfc_get_host_port_id
,
4617 .show_host_port_id
= 1,
4619 .get_host_port_type
= lpfc_get_host_port_type
,
4620 .show_host_port_type
= 1,
4622 .get_host_port_state
= lpfc_get_host_port_state
,
4623 .show_host_port_state
= 1,
4625 /* active_fc4s is shown but doesn't change (thus no get function) */
4626 .show_host_active_fc4s
= 1,
4628 .get_host_speed
= lpfc_get_host_speed
,
4629 .show_host_speed
= 1,
4631 .get_host_fabric_name
= lpfc_get_host_fabric_name
,
4632 .show_host_fabric_name
= 1,
4635 * The LPFC driver treats linkdown handling as target loss events
4636 * so there are no sysfs handlers for link_down_tmo.
4639 .get_fc_host_stats
= lpfc_get_stats
,
4640 .reset_fc_host_stats
= lpfc_reset_stats
,
4642 .dd_fcrport_size
= sizeof(struct lpfc_rport_data
),
4643 .show_rport_maxframe_size
= 1,
4644 .show_rport_supported_classes
= 1,
4646 .set_rport_dev_loss_tmo
= lpfc_set_rport_loss_tmo
,
4647 .show_rport_dev_loss_tmo
= 1,
4649 .get_starget_port_id
= lpfc_get_starget_port_id
,
4650 .show_starget_port_id
= 1,
4652 .get_starget_node_name
= lpfc_get_starget_node_name
,
4653 .show_starget_node_name
= 1,
4655 .get_starget_port_name
= lpfc_get_starget_port_name
,
4656 .show_starget_port_name
= 1,
4658 .dev_loss_tmo_callbk
= lpfc_dev_loss_tmo_callbk
,
4659 .terminate_rport_io
= lpfc_terminate_rport_io
,
4661 .vport_disable
= lpfc_vport_disable
,
4663 .set_vport_symbolic_name
= lpfc_set_vport_symbolic_name
,
4667 * lpfc_get_cfgparam - Used during probe_one to init the adapter structure
4668 * @phba: lpfc_hba pointer.
4671 lpfc_get_cfgparam(struct lpfc_hba
*phba
)
4673 lpfc_cr_delay_init(phba
, lpfc_cr_delay
);
4674 lpfc_cr_count_init(phba
, lpfc_cr_count
);
4675 lpfc_multi_ring_support_init(phba
, lpfc_multi_ring_support
);
4676 lpfc_multi_ring_rctl_init(phba
, lpfc_multi_ring_rctl
);
4677 lpfc_multi_ring_type_init(phba
, lpfc_multi_ring_type
);
4678 lpfc_ack0_init(phba
, lpfc_ack0
);
4679 lpfc_topology_init(phba
, lpfc_topology
);
4680 lpfc_link_speed_init(phba
, lpfc_link_speed
);
4681 lpfc_poll_tmo_init(phba
, lpfc_poll_tmo
);
4682 lpfc_enable_npiv_init(phba
, lpfc_enable_npiv
);
4683 lpfc_enable_rrq_init(phba
, lpfc_enable_rrq
);
4684 lpfc_use_msi_init(phba
, lpfc_use_msi
);
4685 lpfc_fcp_imax_init(phba
, lpfc_fcp_imax
);
4686 lpfc_fcp_wq_count_init(phba
, lpfc_fcp_wq_count
);
4687 lpfc_fcp_eq_count_init(phba
, lpfc_fcp_eq_count
);
4688 lpfc_enable_hba_reset_init(phba
, lpfc_enable_hba_reset
);
4689 lpfc_enable_hba_heartbeat_init(phba
, lpfc_enable_hba_heartbeat
);
4690 lpfc_enable_bg_init(phba
, lpfc_enable_bg
);
4691 if (phba
->sli_rev
== LPFC_SLI_REV4
)
4694 phba
->cfg_poll
= lpfc_poll
;
4695 phba
->cfg_soft_wwnn
= 0L;
4696 phba
->cfg_soft_wwpn
= 0L;
4697 lpfc_sg_seg_cnt_init(phba
, lpfc_sg_seg_cnt
);
4698 lpfc_prot_sg_seg_cnt_init(phba
, lpfc_prot_sg_seg_cnt
);
4699 lpfc_hba_queue_depth_init(phba
, lpfc_hba_queue_depth
);
4700 lpfc_hba_log_verbose_init(phba
, lpfc_log_verbose
);
4701 lpfc_aer_support_init(phba
, lpfc_aer_support
);
4702 lpfc_suppress_link_up_init(phba
, lpfc_suppress_link_up
);
4703 lpfc_iocb_cnt_init(phba
, lpfc_iocb_cnt
);
4704 phba
->cfg_enable_dss
= 1;
4709 * lpfc_get_vport_cfgparam - Used during port create, init the vport structure
4710 * @vport: lpfc_vport pointer.
4713 lpfc_get_vport_cfgparam(struct lpfc_vport
*vport
)
4715 lpfc_log_verbose_init(vport
, lpfc_log_verbose
);
4716 lpfc_lun_queue_depth_init(vport
, lpfc_lun_queue_depth
);
4717 lpfc_tgt_queue_depth_init(vport
, lpfc_tgt_queue_depth
);
4718 lpfc_devloss_tmo_init(vport
, lpfc_devloss_tmo
);
4719 lpfc_nodev_tmo_init(vport
, lpfc_nodev_tmo
);
4720 lpfc_peer_port_login_init(vport
, lpfc_peer_port_login
);
4721 lpfc_restrict_login_init(vport
, lpfc_restrict_login
);
4722 lpfc_fcp_class_init(vport
, lpfc_fcp_class
);
4723 lpfc_use_adisc_init(vport
, lpfc_use_adisc
);
4724 lpfc_max_scsicmpl_time_init(vport
, lpfc_max_scsicmpl_time
);
4725 lpfc_fdmi_on_init(vport
, lpfc_fdmi_on
);
4726 lpfc_discovery_threads_init(vport
, lpfc_discovery_threads
);
4727 lpfc_max_luns_init(vport
, lpfc_max_luns
);
4728 lpfc_scan_down_init(vport
, lpfc_scan_down
);
4729 lpfc_enable_da_id_init(vport
, lpfc_enable_da_id
);